ovme 发表于 2020-3-17 16:26:48

JIS H 3100:2018

JIS H 3100:2018
Copper and copper alloy sheets, plates and strips
English edition

ovme 发表于 2020-4-1 09:11:06

求助~求助~求助~求助~求助~

329220192 发表于 2020-4-1 15:24:11

http://bbs.infoeach.com/forum.php?mod=viewthread&tid=233896&extra=

坏小孩辉 发表于 2020-4-2 16:06:00

菜鸟前来报道，大神们多多赐教

ovme 发表于 2020-4-6 09:04:04

329220192 发表于 2020-4-1 15:24 static/image/common/back.gif
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看不懂日文，还是谢谢你的分享
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