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在网上看到这个:
4 V/ r) v: Q3 Q& p0 U0 o. mSMS fittings are named from Swedish Dairy Standard ( Svensk MeieriStandard ) + O! y* ~; ]9 G4 s! a6 S& w$ u. C" ^
There are a multitude of variants in pipe-clips and clamps and couplings and unions that is commonly used all over Europe. 4 o" s, m. d3 K7 q0 J' N D
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There are several other standards, DS (Danish Standard) and the Germans have several DIN standards such as DIN 11851 & 11887 and probably many others.
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供参考。 |