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发明名称
Verfahren und Vorrichtung zur Herstellung von Heftklammerstreifen
摘要
申请公布号
DE653071(C)
申请公布日期
1937.11.18
申请号
DE1935S119144D
申请日期
1935.07.24
申请人
DR. LUDWIG SACHS
发明人
分类号
B21D53/36
主分类号
B21D53/36
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代理人
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