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经营范围
发明名称
Improvements in or relating to instruments for testing for earthing faults in electric circuits
摘要
申请公布号
GB807544(A)
申请公布日期
1959.01.14
申请号
GB19540029821
申请日期
1954.10.15
申请人
THE BRITISH CENTRAL ELECTRICAL COMPANY LIMITED;GEOFFREY CECIL MALKIN
发明人
分类号
G01R27/18
主分类号
G01R27/18
代理机构
代理人
主权项
地址
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