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发明名称
OPTICAL WRITING DEVICE
摘要
申请公布号
JPH04166824(A)
申请公布日期
1992.06.12
申请号
JP19900294321
申请日期
1990.10.30
申请人
RICOH CO LTD
发明人
YAMADA HIROSHI
分类号
G02B7/00;G03B27/50;G03G15/04;H04N1/04
主分类号
G02B7/00
代理机构
代理人
主权项
地址
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