JISB0209-2-2001
ISO general purpose metric screw threads -- Tolerances -- Part 2- Limits of sizes for general purpose external and internal screw threads -- Medium quality
ISO通用米制螺紋.公差.第2部分通用外部和內(nèi)部螺紋規(guī)
[ 本帖最后由 woshi_tjy 于 2008-10-6 18:09 編輯 ]
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