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回复1#憨老马2 }7 j4 d: i6 B4 D$ `% ? 8 K' K" g3 a f+ b% z . q" p8 ^7 {, F7 r% O 在网上看到这个: 7 `2 c f. S2 U I, H) i. |& ?SMS fittings are named from Swedish Dairy Standard ( Svensk MeieriStandard )5 V+ m% A6 M& x There are a multitude of variants in pipe-clips and clamps and couplings and unions that is commonly used all over Europe. 6 C: i8 Y: \" H9 h- a2 s( }# k8 U' p' h+ {+ ]' G3 a" |! v2 z3 d There are several other standards, DS (Danish Standard) and the Germans have several DIN standards such as DIN 11851 & 11887 and probably many others.7 v. _; e* s; M$ v4 b! C: d& e ( B& z, @$ G1 J- H% @ ' a1 I+ n1 I; |5 H5 W5 d, m* l 供参考。 |
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