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经营范围
发明名称
Improvements in or relating to monitoring the impedance of a load
摘要
申请公布号
GB783277(A)
申请公布日期
1957.09.18
申请号
GB19540018901
申请日期
1954.06.28
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
ROTH JOSEPH FREDERICK
分类号
H02H3/40
主分类号
H02H3/40
代理机构
代理人
主权项
地址
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