| 标准编号 | SANS 21138-3 Ed.1(2008) |
| 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 | 2008-08-22 |
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| 前言 | |
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