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发明名称
Relay
摘要
申请公布号
US1973286(A)
申请公布日期
1934.09.11
申请号
US19310506918
申请日期
1931.01.06
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
KNOWLES DEWEY D.
分类号
H03K17/52
主分类号
H03K17/52
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