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发明名称
Vorrichtung zur Herstellung von Spiralfedern,insbesondere fuer Uhrwerke,und Verfahren zur Anwendung dieser Vorrichtung
摘要
申请公布号
DE1673620(A1)
申请公布日期
1971.09.30
申请号
DE19671673620
申请日期
1967.08.07
申请人
BERTHOUD,LOUIS-WILLIAM
发明人
BERTHOUD,LOUIS-WILLIAM
分类号
B21F3/00;G04B17/06;G04D3/00
主分类号
B21F3/00
代理机构
代理人
主权项
地址
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