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发明名称
APPARATUS FOR THREADING OR SCREWING TOGETHER THE ENDS OF HELICAL SPRINGS
摘要
申请公布号
US3433274(A)
申请公布日期
1969.03.18
申请号
USD3433274
申请日期
1965.10.18
申请人
WAFIOS MAS. FAB. WAGNER
发明人
GUSTAF H. KARRBERG
分类号
B21F35/00;(IPC1-7):B21F15/02
主分类号
B21F35/00
代理机构
代理人
主权项
地址
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