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发明名称
Disque phonographique d'étude et d'accompagnement musical
摘要
申请公布号
FR982706(A)
申请公布日期
1951.06.14
申请号
FRD982706
申请日期
1949.03.08
申请人
发明人
SAIGNIER ETIENNE
分类号
G11B3/70
主分类号
G11B3/70
代理机构
代理人
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