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发明名称
Compensation de l'allure des fréquences de la pellicule employée pour l'enregistrement du son
摘要
申请公布号
FR814443(A)
申请公布日期
1937.06.23
申请号
FRD814443
申请日期
1936.12.03
申请人
JOSEPH MASSOLLE G. M. B. H.
发明人
MASSOLLE JOSEPH
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
主权项
地址
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