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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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flanges and their joints - circular flangers for pipes,. i- q, _; i; o5 C, Z; y
valves , fittings and accessories,PN designated-
0 p7 K9 N2 m1 }part 1 steel flanges0 n! E! c% z& K
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- d8 @0 `. k5 x) I/ L2 J# Nhttp://www.3dportal.cn/discuz/vi ... ht=BS%2BEN%2B1092-1 |
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