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发明名称
OPTICAL SLIDE PROJECTOR
摘要
申请公布号
IE44645(L)
申请公布日期
1977.11.22
申请号
IE19770000556
申请日期
1977.03.15
申请人
FRANKE & HEIDECKE GMBH (TRADING AS;ROLLEI-WERKE FRANKE & HEIDECKE)
发明人
分类号
G03B23/18;(IPC1-7):G03B23/04
主分类号
G03B23/18
代理机构
代理人
主权项
地址
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