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发明名称
Vacuum-tube circuits
摘要
申请公布号
US1751232(A)
申请公布日期
1930.03.18
申请号
US19250023429
申请日期
1925.04.15
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
DAVIS ROBERT L.;LITTLE DONALD G.
分类号
H03B19/12
主分类号
H03B19/12
代理机构
代理人
主权项
地址
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