"Polyethylene large " CNS Standards List| Method Test | Method test | Method test | Polyester Woven | Glossary terms | Microfilming technical | Road vehicles | Machine Reamers | |
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CNS 15917
2021 Edition Polyethylene large diameter profile wall sewer and drain pipe 聚乙烯塑膠管-耐慢速裂痕擴展-錐體試驗法 |
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