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发明名称
Kühlvorrichtung für Kinoprojektionsapparate.
摘要
申请公布号
AT120995(B)
申请公布日期
1931.01.26
申请号
ATD120995
申请日期
1929.10.17
申请人
GUSTAV FRIEDL;KARL CHALOUPKA
发明人
GUSTAV FRIEDL;KARL CHALOUPKA
分类号
主分类号
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