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发明名称
Electric current consumption system
摘要
申请公布号
US1871170(A)
申请公布日期
1932.08.09
申请号
US19300460535
申请日期
1930.06.11
申请人
DUNCAN ELECTRIC MANUFACTURING COMPANY
发明人
FRYER ROY C.
分类号
H01H71/42
主分类号
H01H71/42
代理机构
代理人
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地址
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