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发明名称
Einrichtung zur Erzeugung einer gleichmaessigen Filmbewegung bei Bildtonfilmen
摘要
申请公布号
DE628948(C)
申请公布日期
1936.04.20
申请号
DE1929A058521D
申请日期
1929.07.21
申请人
ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT;ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT
发明人
分类号
G03B31/02;H04N1/31
主分类号
G03B31/02
代理机构
代理人
主权项
地址
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