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เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS B 0408
General Dimensional Tolerances for Parts Formed by Press Working from Sheet Metal
1991(R 2020)
6
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This Japanese Industrial Standard specifies general dimensional tolerances for parts formed by press working from sheet metal. Furthermore, the parts formed by press working from sheet metal mean those which have been formed by press working of punching, bending and drawing from sheet metal, and do not include those formed by shear working from sheet metal.