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发明名称
Projector for photographic transparencies
摘要
申请公布号
GB2142739(A)
申请公布日期
1985.01.23
申请号
GB19840017005
申请日期
1984.07.04
申请人
BOHDAN * DRWIEGA
发明人
BOHDAN * DRWIEGA
分类号
G03B23/12;(IPC1-7):G03B21/00
主分类号
G03B23/12
代理机构
代理人
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地址
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