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发明名称
Alternating current relay apparatus
摘要
申请公布号
US1987731(A)
申请公布日期
1935.01.15
申请号
US19330673241
申请日期
1933.05.27
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
LOACHE ROBERT L. DE
分类号
H02H3/08
主分类号
H02H3/08
代理机构
代理人
主权项
地址
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