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发明名称
Selective signaling system with narrow band feedback
摘要
申请公布号
US3040256(A)
申请公布日期
1962.06.19
申请号
US19580780089
申请日期
1958.12.12
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
BOSTWICK LEE G.;STRACK WALTER
分类号
H04B1/16;H04W88/02
主分类号
H04B1/16
代理机构
代理人
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