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发明名称
OPERATION DISPLAY DEVICE
摘要
申请公布号
JPH0451050(A)
申请公布日期
1992.02.19
申请号
JP19900159583
申请日期
1990.06.18
申请人
RICOH CO LTD
发明人
GOINO TAKASHI
分类号
B41J29/00;F16C11/10;G03G15/00
主分类号
B41J29/00
代理机构
代理人
主权项
地址
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