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发明名称
ORIGINAL COVER DEVICE
摘要
申请公布号
JPH05150383(A)
申请公布日期
1993.06.18
申请号
JP19910340174
申请日期
1991.11.29
申请人
RICOH CO LTD
发明人
MURANAKA MASAICHI
分类号
G03B27/62;G03G15/04
主分类号
G03B27/62
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代理人
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