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Shin Chuau HWA Co., Ltd.
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Taoyuan, TW
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Patent Grant
Mold head device of spring forming machine
Patent number
6,817,220
Issue date
Nov 16, 2004
Shin Chuau HWA Co., Ltd.
Tsun-Te Liu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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