BS EN 751-2-1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd fam

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标准类别：国外标准

关键词： BS EN 751 1997 Sealing

标准简介

BS EN 751-2-1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water Part 2. Non-hardening jointing compounds