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标题:
求标准BS EN 681-3
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作者:
killer007
时间:
2017-8-31 10:30:02
标题:
求标准BS EN 681-3
求标准BS EN 681-3 Elastomeric seals. Materials requirements for pipe joint seals used in water and drainage applications. Cellular materials of vulcanized rubber
谁有提供下。
作者:
shukesan
时间:
2017-8-31 10:30:03
BS EN 00681-1996 (2002) Elastomeric seals — Material requirements for pipe joi
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