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发明名称
Kombinierter Buchungskasten fuer Durchschreibe-Lehrbuchhaltung
摘要
申请公布号
DE868981(C)
申请公布日期
1953.03.02
申请号
DE1951J004618
申请日期
1951.09.15
申请人
JANSEN RUDOLF
发明人
JANSEN RUDOLF
分类号
G09B19/18
主分类号
G09B19/18
代理机构
代理人
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地址
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