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发明名称
Improvements relating to a method of and apparatus for measuring at a remote point the phase difference between two separated alternating current supplies
摘要
申请公布号
GB1120622(A)
申请公布日期
1968.07.24
申请号
GB19640025872
申请日期
1964.06.23
申请人
LONDON ELECTRICITY BOARD;DONALD CHARLES GREEN
发明人
分类号
G01R25/00
主分类号
G01R25/00
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