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发明名称
PHASE COMPARATORS AND ELECTRIC LINE PROTECTION SYSTEMS
摘要
申请公布号
CA550767(A)
申请公布日期
1957.12.24
申请号
CAD550767
申请日期
申请人
UNION D'ELECTRICITE
发明人
ANDRE CHEVALLIER
分类号
主分类号
代理机构
代理人
主权项
地址
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