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几何尺寸与公差论坛»论坛 › Norm Space: Product Automatic Standards - 范数空间 › National Standards › ISO standards › jic standards

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jic standards

发表于 2009-9-5 19:14:07 | 显示全部楼层 |阅读模式

jic standards
i am looking for a site that explains what jic standards are or someone who can give me a brief explanation.

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