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发明名称
Procédé de tirage de films phonophotographiques
摘要
申请公布号
FR812951(A)
申请公布日期
1937.05.21
申请号
FRD812951
申请日期
1936.01.27
申请人
LE FILM OZAPHANE
发明人
分类号
G11B11/00
主分类号
G11B11/00
代理机构
代理人
主权项
地址
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