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发明名称
Anordnung bei Aufnahme- und Projektionslampen
摘要
申请公布号
DE843361(C)
申请公布日期
1952.07.07
申请号
DE1950D003825
申请日期
1950.06.20
申请人
DELTSCHAFT BERNHARD
发明人
DELTSCHAFT BERNHARD
分类号
G03B7/16
主分类号
G03B7/16
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代理人
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