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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,0 w% Y6 h/ A' y& B# \4 e6 Q3 {
valves , fittings and accessories,PN designated-1 p. o' j. _5 E+ K0 e3 d
part 1 steel flanges1 k% p" K0 w/ Q$ l! s& Q# ]1 S5 T
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0 F5 j \2 `! z4 uhttp://www.3dportal.cn/discuz/vi ... ht=BS%2BEN%2B1092-1 |
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