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发明名称
Image forming apparatus with plural developing devices
摘要
申请公布号
US4992831(A)
申请公布日期
1991.02.12
申请号
US19880145594
申请日期
1988.01.19
申请人
CANON KABUSHIKI KAISHA
发明人
KUNISHI, TSUYOSHI
分类号
G03G13/01;G03G13/08;G03G13/22
主分类号
G03G13/01
代理机构
代理人
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地址
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