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发明名称
Beleuchtungsvorrichtung fuer Projektionszwecke
摘要
申请公布号
DE724329(C)
申请公布日期
1942.08.24
申请号
DE1937Z024244D
申请日期
1937.11.26
申请人
ZEISS IKON AG.
发明人
BERTELE LUDWIG
分类号
G03B21/20
主分类号
G03B21/20
代理机构
代理人
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