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发明名称
Apparatus for attenuation correction of a coaxial cable used for carrier frequency telephony
摘要
申请公布号
US3022952(A)
申请公布日期
1962.02.27
申请号
US19580774393
申请日期
1958.11.17
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
JOHANNESSON NILS OLOF
分类号
H04B3/10
主分类号
H04B3/10
代理机构
代理人
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