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经营范围
发明名称
Voltmètre
摘要
申请公布号
FR1008036(A)
申请公布日期
1952.05.13
申请号
FRD1008036
申请日期
1950.01.06
申请人
发明人
OEHMICHEN JEAN-PIERRE
分类号
G01R19/00
主分类号
G01R19/00
代理机构
代理人
主权项
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