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发明名称
Merkplaettchen aus federndem Stoff fuer Karteiblaetter
摘要
申请公布号
DE611944(C)
申请公布日期
1935.04.10
申请号
DENDATH135228D
申请日期
申请人
ERWIN O. HABERFELD;ERWIN O. HABERFELD
发明人
分类号
B42F21/10
主分类号
B42F21/10
代理机构
代理人
主权项
地址
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