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发明名称
Modulateur électrique perfectionné
摘要
申请公布号
FR1076993(A)
申请公布日期
1954.11.03
申请号
FRD1076993
申请日期
1953.02.24
申请人
发明人
AUBERT HENRI
分类号
H03C1/56
主分类号
H03C1/56
代理机构
代理人
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地址
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