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经营范围
发明名称
Filmfortschalteinrichtung an Kinogeraeten
摘要
申请公布号
DE663814(C)
申请公布日期
1938.08.13
申请号
DE1934S114755D
申请日期
1934.07.18
申请人
SIEMENS & HALSKE AKT.-GES.
发明人
分类号
G03B1/34
主分类号
G03B1/34
代理机构
代理人
主权项
地址
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