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发明名称
Electrical measuring instrument
摘要
申请公布号
US1817537(A)
申请公布日期
1931.08.04
申请号
US19240711633
申请日期
1924.05.07
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
SPERTI GEORGE
分类号
G01R11/64
主分类号
G01R11/64
代理机构
代理人
主权项
地址
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