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发明名称
OVERHEAD PROJECTOR
摘要
申请公布号
JPH0240686(A)
申请公布日期
1990.02.09
申请号
JP19880190567
申请日期
1988.08.01
申请人
OKI ELECTRIC IND CO LTD
发明人
OTAKI NOBORU;NOGUCHI MATSUSABURO;OGATA HIDEICHIRO
分类号
G03B21/132;G09F9/00
主分类号
G03B21/132
代理机构
代理人
主权项
地址
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