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发明名称
ELECTROPHOTOGRAPHIC DEVICE
摘要
申请公布号
GB1478893(A)
申请公布日期
1977.07.06
申请号
GB19740031824
申请日期
1974.07.18
申请人
RICOH CO LTD
发明人
分类号
G03G15/08;G03G15/09;(IPC1-7):G03G15/08
主分类号
G03G15/08
代理机构
代理人
主权项
地址
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