（清空日期可显示全部记录）
| 标准编号 | 标准名称 | 发布日期 | 实施日期 | 废止日期 | 替换信息 |
|---|---|---|---|---|---|
| EN 24946-1990 | Steel and cast iron ?Determination of copper content 2,2' diquinolyl spectrophotometric method | ||||
| EN 25813-1992 | Water Quality - Determination of Dissolved Oxygen - Iodometric Method | ||||
| EN 25822-1991 | Spot Welding Equipment - Taper Plug Gauges and Taper Ring Gauges | ||||
| EN 25967-1989 | Taps and Thread Cutting: Nomenclature of the Main Types and Terminology | ||||
| EN 25968-1989 | Circular screwing dies: Terminology | ||||
| EN 26157-1-1991 | Fasteners - Surface Discontinuities - Part 1: Bolts, Screws and Studs for General Requirements | ||||
| EN 26157-3-1991 | Fasteners - Surface Discontinuities - Part 3: Bolts, Screws and Studs for Special Requirements | ||||
| EN 26160-1989 | Programming Languages PL/1 | ||||
| EN 26461-1-1993 | Water Quality - Detection and Enumeration of the Spores of Sulfite- Reducing Anaerobes (Clostridia) - Part 1: Method by Enrichment in a Liquid Medium (ISO 6461-1: 1986) | ||||
| EN 26461-2-1993 | Water Quality - Detection and Enumeration of the Spores of Sulfite- Reducing Anaerobes (Clostridia) - Part 2: Method by Membrane Filtration (ISO 6461/2: 1986) | ||||
| EN 26501-1992 | Ferronickel - Specification and Delivery Requirements | ||||
| EN 26553-1991 | Automatic Steam Traps - Marking | ||||
| EN 26554-1991 | Flanged Automatic Steam Traps - Face-to-Face Dimensions | ||||
| EN 26590-1-1992 | Packaging - Sacks - Vocabulary and Types - Part 1: Paper Sacks (ISO 6590-1 : 1983) | ||||
| EN 26590-2-1992 | Packaging - Sacks - Vocabulary and Types - Part 2: Sacks Made from Thermoplastic Flexible Film (ISO 6590-2 : 1986) | ||||
| EN 26591-1-1992 | Packaging - Sacks - Description and Method of Measurement - Part 1 : Empty Paper Sacks (ISO 6591-1 : 1984) | ||||
| EN 26591-2-1992 | Packaging Sacks Description and method of measurement Part 2: Empty sacks made from thermoplastic flexible film ISO 6591-2: 1985 | ||||
| EN 26595-1992 | Water Quality - Determination of Total Arsenic - Silver Diethyldithiocarbamate Spectrophotometric Method (ISO 6595:1982) | ||||
| EN 26704-1991 | Automatic Steam Traps - Classification | ||||
| EN 26801-1993 | Rubber and Plastics Hoses - Determination of Volumetric Expansion (ISO 6801: 1983) | ||||
| EN 26891-1991 | Timber Structures - Joints Made with Mechanical Fasteners - General Principles for the Determination of Strength and Deformation Characteristics | ||||
| EN 28632-2-1992 | Information Processing Systems - Computer Graphics - Metafile for the Storage and Transfer of Picture Description Information - Part 2: Character Encoding | ||||
| EN 28654-1992 | Colours of Gold Alloys - Definition, Range of Colours and Designation (ISO 8654 : 1987) | ||||
| EN 28659-1990 | Thermoplastics Valves - Fatigue Strength - Test Method | ||||
| EN 28662-1-1992 | Hand-Held Portable Power Tools - Measurement of Vibrations at the Handle - Part 1 : General; (ISO 8662-1 : 1988) | ||||
| EN 28736-1992 | Taper Pins with Internal Thread, Unhardened | ||||
| EN 28737-1992 | Taper Pins with External Thread, Unhardened | ||||
| EN 28738-1992 | Plain Washers for Clevis Pins - Product Grade A | ||||
| EN 28749-1992 | Pins and Grooved Pins - Shear Test | ||||
| EN 28768-1992 | Packaging - Complete, Filled Transport Packages - Toppling Test (ISO 8768: 1986) | ||||
| EN 28805-1992 | Information Processing Systems - Computer Graphics - Graphical Kernel System for Three Dimensions (GKS-3D) Functional Description | ||||
| EN 28839-1991 | Mechanical Properties of Fasteners - Bolts, Screws, Studs and Nuts Made of Non-Ferrous Metals | ||||
| EN 29052-1-1992 | Acoustics - Determination of Dynamic Stiffness - Part 1: Materials Used Under Floating Floors in Dwellings | ||||
| EN 29073-1-1992 | Textiles - Test Methods for Nonwoven - Part 1: Determination of Mass Per Unit Area | ||||
| EN 29073-3-1992 | Textiles - Test Methods for Nonwovens - Part 3: Determination of Tensile Strength and Elongation | ||||
| EN 29090-1992 | Gas Tightness of Equipment for Gas Welding and Allied Processes | ||||
| EN 29202-1992 | Jewellery - Fineness of Precious Metal Alloys (ISO 9202 : 1991) | ||||
| EN 29293-1989 | Information Processing Volume and File Structure of Flexible Disk Cartridges for Information Interchange | ||||
| EN 29295-1991 | Acoustics - Measurement of High-Frequency Noise Emitted by Computer and Business Equipment | ||||
| EN 29313-1992 | Resistance Spot Welding Equipment - Cooling Tubes | ||||
| EN 29658-1991 | Steel - Determination of aluminium content - Flame atomic absorption spectrometric method | ||||
| EN 27286-1991 | Graphical Symbols for Resistance Welding Equipment | ||||
| EN 27487-3-1989 | Information processing ?Data interchange on 130 mm(5.25 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 1.9 tpmm (48 tpi), on both sides ?Part 3: track format B Incorporates Amendment A1: 1993 | ||||
| EN 27520-1991 | Ferronickel - Determination of Cobalt Content - Flame Atomic Absorption Spectrometric Method | ||||
| EN 27526-1991 | Nickel, Ferronickel and Nickel Alloys - Determination of Sulfur Content - Infra-Red Absorption Method After Induction Furnace Combustion | ||||
| EN 27574-1-1988 | Acoustics Statistical Methods for Determining and Verifying Stated Noise Emission Values of Machinery and Equipment Part 1: General Considerations and Definitions | ||||
| EN 27574-2-1988 | Acoustics Statistical Methods for Determining and Verifying Stated Noise Emission Values of Machinery and Equipment Part 2: Methods for Stated Values for Individual Machines | ||||
| EN 27574-3-1988 | Acoustics Statistical Methods for Determining and Verifying Stated Noise Emission Values of Machinery and Equipment Part 3: Simple (Transition) Method for Stated Values for Batches of Machines | ||||
| EN 27574-4-1988 | Acoustics Statistical Methods for Determining and Verifying Stated Noise Emission Values of Machinery and Equipment Part 4: Methods for Stated Values for Batches of Machines | ||||
| EN 27721-1991 | Countersunk Head Screws - Head Configuration and Gauging |
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