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发明名称
摘要
申请公布号
FR2012108(A1)
申请公布日期
1970.03.13
申请号
FR19690022207
申请日期
1969.07.01
申请人
RICOH KK
发明人
分类号
G03G9/13;(IPC1-7):G03G9/00
主分类号
G03G9/13
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