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iso standards on screw heads

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发表于 2009-9-5 19:09:39 | 显示全部楼层 |阅读模式
iso standards on screw heads
ingcastro (visitor)30 may 01 16:29
i need to get the iso standards on screw heads and threads, nomenclature, etc. i´m a mechanical engineering student in need of quick an accurate information, but i also don´t have money to buy them. where can i get them?
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