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发明名称
Ablesevorrichtung fuer Notenblaetter
摘要
申请公布号
DE878593(C)
申请公布日期
1953.06.05
申请号
DE1951H010382
申请日期
1951.11.13
申请人
HEMPEL ERNST
发明人
HEMPEL ERNST
分类号
B42D19/00
主分类号
B42D19/00
代理机构
代理人
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