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经营范围
发明名称
Nouveau disque pour phonographes et son procédé de fabrication
摘要
申请公布号
FR715450(A)
申请公布日期
1931.12.03
申请号
FRD715450
申请日期
1930.08.27
申请人
发明人
ASTIMA EUGENE
分类号
主分类号
代理机构
代理人
主权项
地址
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