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发明名称
Amplificateur différentiel pour la comparaison de tensions
摘要
申请公布号
FR1004459(A)
申请公布日期
1952.03.31
申请号
FRD1004459
申请日期
1947.04.25
申请人
发明人
LEVY JEAN-CLAUDE
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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