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发明名称
Dispositif pour l'enregistrement de phonogrammes
摘要
申请公布号
FR854929(A)
申请公布日期
1940.04.27
申请号
FRD854929
申请日期
1939.05.17
申请人
V. G. MANUFACTURING CO.
发明人
分类号
G11B3/36
主分类号
G11B3/36
代理机构
代理人
主权项
地址
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