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发明名称
Loseblaetterbuch, dessen Einlagen durch zwei oder mehr Baender o. dgl. gehalten werden
摘要
申请公布号
DE656362(C)
申请公布日期
1938.02.03
申请号
DENDATST54919D
申请日期
申请人
DR. KONRAD STEHR
发明人
分类号
B42F11/02
主分类号
B42F11/02
代理机构
代理人
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