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发明名称
PHASE-ANGLE COMPARATORS
摘要
申请公布号
GB1374425(A)
申请公布日期
1974.11.20
申请号
GB19700058695
申请日期
1970.12.10
申请人
REYROLLE PARSONS LTD
发明人
分类号
H02H3/38;(IPC1-7):H02H3/40
主分类号
H02H3/38
代理机构
代理人
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地址
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