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经营范围
发明名称
Electrical meter
摘要
申请公布号
US2044542(A)
申请公布日期
1936.06.16
申请号
US19340743106
申请日期
1934.09.07
申请人
GENERAL ELECTRIC COMPANY
发明人
PRATT WILLIAM H.
分类号
G01R11/30
主分类号
G01R11/30
代理机构
代理人
主权项
地址
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