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发明名称
Electricity meter
摘要
申请公布号
US1919213(A)
申请公布日期
1933.07.25
申请号
US19300446036
申请日期
1930.04.21
申请人
DUNCAN ELECTRIC MANUFACTURING COMPANY
发明人
EMENS ALBERT L.
分类号
G01R11/04
主分类号
G01R11/04
代理机构
代理人
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地址
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