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发明名称
Dispositif pour procéder à des mesures comparatives de résistivité
摘要
申请公布号
FR908738(A)
申请公布日期
1946.04.17
申请号
FRD908738
申请日期
1944.02.18
申请人
COMPAGNIE GENERALE DE CONSTRUCTIONS TELEPHONIQUES
发明人
分类号
G01R27/02
主分类号
G01R27/02
代理机构
代理人
主权项
地址
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