chgzh0101 发表于 2014-10-20 19:47:34

BS EN ISO 1127-1997 Stainless steel tubes—Dimensions, tolerances and conventio

BS EN ISO 1127-1997 Stainless steel tubes—Dimensions, tolerances and conventional masses per unit length

admin 发表于 2014-10-21 10:39:54

谢谢您的分享，金币已奖励

wdq245 发表于 2016-2-22 10:04:17

谢谢分享。。。。。。。。。。。。
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