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发明名称
AUTOMATIC VOLUME CONTROL
摘要
申请公布号
IE22118(L)
申请公布日期
1953.10.23
申请号
IE19530000160
申请日期
1953.03.30
申请人
STANDARD TELEPHONES AND CABLES LTD
发明人
分类号
H04B1/64;H04J3/18;(IPC1-7):H04B1/64
主分类号
H04B1/64
代理机构
代理人
主权项
地址
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