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发明名称
Système indicateur du sens de variation d'une grandeur électrique, et applications
摘要
申请公布号
FR988587(A)
申请公布日期
1951.08.29
申请号
FRD988587
申请日期
1944.01.14
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
G01R1/30
主分类号
G01R1/30
代理机构
代理人
主权项
地址
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