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发明名称
Kuehlvorrichtung fuer Kinoprojektionsapparate
摘要
申请公布号
DE546792(C)
申请公布日期
1932.03.17
申请号
DED546792D
申请日期
1930.10.16
申请人
GUSTAV FRIEDL;KARL CHALOUPKA
发明人
分类号
G03B21/16
主分类号
G03B21/16
代理机构
代理人
主权项
地址
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