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经营范围
发明名称
Improvements in or relating to alternating current measuring instruments
摘要
申请公布号
GB632334(A)
申请公布日期
1949.11.21
申请号
GB19470016901
申请日期
1947.06.26
申请人
WESTINGHOUSE ELECTRIC INTERNATIONAL COMPANY
发明人
分类号
G01R11/185
主分类号
G01R11/185
代理机构
代理人
主权项
地址
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