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发明名称
OVERHEAD PROJECTOR
摘要
申请公布号
JPH0915726(A)
申请公布日期
1997.01.17
申请号
JP19950165750
申请日期
1995.06.30
申请人
TOHOKU RICOH CO LTD
发明人
ITO AKIHIRO;KITANO KAZUHIKO;KUDO TAKAYOSHI;CHIBA KATSUICHI
分类号
G03B21/132;(IPC1-7):G03B21/132
主分类号
G03B21/132
代理机构
代理人
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地址
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