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发明名称
Two-wire sequence relay
摘要
申请公布号
US2627562(A)
申请公布日期
1953.02.03
申请号
US19500141529
申请日期
1950.01.31
申请人
JOHN B. PIERCE FOUNDATION
发明人
CATALDO JOHN B.
分类号
H01H51/08
主分类号
H01H51/08
代理机构
代理人
主权项
地址
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