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"Document PI0700196 describes high-frequency welding equipment with a phase for cutting, die and part stamping and cutting method using the mentioned equipment and die, whereas the high- frequency welding equipment is provided with a press that provides part cutting by stamping, using a die provided with a groove around the stamping area of the mentioned die, in the groove being inserted into a steel blade that cuts the workpiece by action of the press of the high-frequency welding equipment,... Xem thêm.Xem thêm 1 bình luận
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0 · 12/10/17 09:27:56
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0 · 12/10/17 11:18:19
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