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发明名称
Verfahren zur Herstellung von Bildtonfilmen mit mechanisch erzeugter Tonaufzeichnung
摘要
申请公布号
DE647211(C)
申请公布日期
1937.06.30
申请号
DE1934N036493D
申请日期
1934.03.22
申请人
PHILIPS PATENTVERWALTUNG G.M.B.H.
发明人
JONG HENDRIK DE
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
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地址
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