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发明名称
Verfahren zum Biegen von Federblaettern
摘要
申请公布号
DE583889(C)
申请公布日期
1933.09.11
申请号
DE1932N033578D
申请日期
1932.04.19
申请人
JOSEF NEUMAYER
发明人
分类号
B21D53/88
主分类号
B21D53/88
代理机构
代理人
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