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经营范围
发明名称
ELECTROPHOTOGRAPHIC DEVICE
摘要
申请公布号
JPH02304577(A)
申请公布日期
1990.12.18
申请号
JP19890126154
申请日期
1989.05.19
申请人
RICOH CO LTD
发明人
WAKABAYASHI TOMIO;OKAMOTO KEIJI
分类号
G03G15/08;G03G15/00
主分类号
G03G15/08
代理机构
代理人
主权项
地址
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