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发明名称
Improvements in or relating to electric multi-channel pulse communication systems
摘要
申请公布号
GB601129(A)
申请公布日期
1948.04.28
申请号
GB19450013868
申请日期
1945.06.01
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H04J3/00;H04J3/08
主分类号
H04J3/00
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