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发明名称
Amplification system
摘要
申请公布号
US1973037(A)
申请公布日期
1934.09.11
申请号
US19320590163
申请日期
1932.02.01
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
BEERS GEORGE L.
分类号
H03J3/06
主分类号
H03J3/06
代理机构
代理人
主权项
地址
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