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发明名称
System of a. c. distribution
摘要
申请公布号
US1997597(A)
申请公布日期
1935.04.16
申请号
US19290333491
申请日期
1929.01.18
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
PARSONS JOHN S.
分类号
H02H3/00
主分类号
H02H3/00
代理机构
代理人
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