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发明名称
?upport mobile pour organe d'enregistrement ou de reproduction phonographique du son
摘要
申请公布号
FR679696(A)
申请公布日期
1930.04.16
申请号
FRD679696
申请日期
1929.08.02
申请人
SOCIETE ANONYME DE CONSTRUCTION RADIOPHONIQUE SIGMA
发明人
分类号
G11B3/00
主分类号
G11B3/00
代理机构
代理人
主权项
地址
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