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经营范围
发明名称
Appareil sensible à la forme d'onde d'un courant électrique
摘要
申请公布号
FR739882(A)
申请公布日期
1933.01.18
申请号
FRD739882
申请日期
1932.07.11
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
分类号
H04Q1/446
主分类号
H04Q1/446
代理机构
代理人
主权项
地址
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