sanmaosjy 发表于 2017-11-29 08:16:34

JIS B1022-2008 Tolerances for fasteners Part 3 Plain washers for bolts, screws

JIS B1022-2008 Tolerances for fasteners Part 3 Plain washers for bolts, screws and nuts Product grades A and C

admin 发表于 2017-12-3 20:10:26

谢谢您的分享，金币已奖励!
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