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发表于 2009-6-7 10:51:50
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来自： 中国北京
bs en 1092-1: 2002 flanges and their joints - circular flangers for pipes...
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: G2 c) T8 i3 U# q# jflanges and their joints - circular flangers for pipes,( B+ }3 I- C4 ^! Z, F0 E5 H
valves , fittings and accessories,PN designated-
+ M2 h& W1 X2 O5 C, ^5 [part 1 steel flanges
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9 c5 C# c2 O, B4 { ~6 rhttp://www.3dportal.cn/discuz/vi ... ht=BS%2BEN%2B1092-1 |
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