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发明名称
Perfectionnements aux récepteurs de signaux électriques alternatifs.
摘要
申请公布号
FR95984(E)
申请公布日期
1972.05.19
申请号
FRD95984
申请日期
申请人
INTERNATIONAL STANDARD ELECTRIC CORPORATION
发明人
ROOS HEINZ
分类号
H04Q1/448
主分类号
H04Q1/448
代理机构
代理人
主权项
地址
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