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经营范围
发明名称
High voltage electrical measuring instrument
摘要
申请公布号
US2323996(A)
申请公布日期
1943.07.13
申请号
US19410409326
申请日期
1941.09.02
申请人
A. B. CHANCE COMPANY
发明人
HUBBARD DAVID C.
分类号
G01R15/14
主分类号
G01R15/14
代理机构
代理人
主权项
地址
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