| 标准编号 | SANS 21138-3 Ed.1(2008/R2014) |
| 标准名称 | Plastics Piping Systems For Non-Pressure Underground Drainage And Sewerage - Structured-Wall Piping Systems Of Unplasticized Poly(Vinyl Chloride) (Pvc-U), Polypropylene (Pp) And Polyethylene (Pe) - Part 3: Pipes And Fittings With Non-Smooth External Surface, Type B |
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| 发布日期 | 2014-03-14 |
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| 前言 | |
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