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发明名称
Ringbindung aus Einzelringen oder Schraubenfedern zum Zusammenschliessen von vorgelochten Loseblaettern zu Blaetterstapeln fuer Umlegeblocks, Kalender u. dgl.
摘要
申请公布号
DE934405(C)
申请公布日期
1955.10.20
申请号
DE1953R010836
申请日期
1953.01.31
申请人
REHM WILHELM
发明人
REHM WILHELM
分类号
B42D5/04
主分类号
B42D5/04
代理机构
代理人
主权项
地址
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