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发明名称
Beleuchtungsvorrichtung zur Ausleuchtung eines bestimmten Bildfeldes
摘要
申请公布号
DE862374(C)
申请公布日期
1953.01.12
申请号
DE1948P027109
申请日期
1948.12.28
申请人
GRETENER EDGAR DR.-ING.
发明人
GRETENER EDGAR DR.-ING.
分类号
G03B21/20
主分类号
G03B21/20
代理机构
代理人
主权项
地址
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