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发明名称
Simultaneously tripping relaying system
摘要
申请公布号
US1967110(A)
申请公布日期
1934.07.17
申请号
US19300462534
申请日期
1930.06.19
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
BERGVALL ROYAL C.
分类号
H02H7/26
主分类号
H02H7/26
代理机构
代理人
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