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发明名称
Dispositif mesureur de tension à plage variable d'amplification de lecture
摘要
申请公布号
CH323968(A)
申请公布日期
1957.08.31
申请号
CHD323968
申请日期
1955.02.23
申请人
INSTITUT DE RECHERCHES DE LA SIDERURGIE
发明人
分类号
G01R17/16
主分类号
G01R17/16
代理机构
代理人
主权项
地址
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