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发明名称
Installation de projection cinématographique à films sonores
摘要
申请公布号
FR1125723(A)
申请公布日期
1956.11.06
申请号
FRD1125723
申请日期
1955.06.03
申请人
ZEISS IKON A. G.
发明人
NAPFEL HANS
分类号
G11B5/00
主分类号
G11B5/00
代理机构
代理人
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