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发明名称
Improvements in or relating to multi-channel telecommunication systems
摘要
申请公布号
GB735496(A)
申请公布日期
1955.08.24
申请号
GB19530023486
申请日期
1953.08.25
申请人
TELEFONAKTIEBOLAGET L M ERICSSON
发明人
JANSSON KNUT STIG TORBJOERN
分类号
H04J3/04
主分类号
H04J3/04
代理机构
代理人
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地址
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