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经营范围
发明名称
Electrical measuring apparatus
摘要
申请公布号
US1769422(A)
申请公布日期
1930.07.01
申请号
US19280246625
申请日期
1928.01.13
申请人
FRANCOIS DUGIT PIERRE MAURICE;JEAN-MARIE FOULHOUZE AMABLE PI
发明人
DUGIT PIERRE MAURICE FRANCOIS;FOULHOUZE AMABLE PIERRE JEAN-MARIE
分类号
G01R5/14
主分类号
G01R5/14
代理机构
代理人
主权项
地址
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