| 标准编号 | ISO 2503:2009/Amd 1:2015 |
| 标准名称 | Gas welding equipment -- Pressure regulators and pressure regulators with flow-metering devices for gas cylinders used in welding, cutting and allied processes up to 300 bar (30 MPa) |
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| 标准状态 | |
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| 批准文号 | |
| 发布日期 | 2015-04-01 |
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| 替换信息 | |
| 前言 | |
| 无 |
