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经营范围
发明名称
Perfectionnement aux phonographes
摘要
申请公布号
FR757577(A)
申请公布日期
1933.12.28
申请号
FRD757577
申请日期
1932.10.01
申请人
发明人
CICILLE MARCEL-AIME
分类号
G11B19/265
主分类号
G11B19/265
代理机构
代理人
主权项
地址
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