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发明名称
Radio-wire signaling system
摘要
申请公布号
US2510046(A)
申请公布日期
1950.05.30
申请号
US19470742374
申请日期
1947.04.18
申请人
ZENITH RADIO CORPORATION
发明人
ELLETT ALEXANDER;GUSTAFSON GILBERT E.;COTSWORTH ALBERT
分类号
H04N7/169
主分类号
H04N7/169
代理机构
代理人
主权项
地址
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