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发明名称
Improvements in or relating to electric carrier signalling systems
摘要
申请公布号
GB426512(A)
申请公布日期
1935.04.04
申请号
GB19340000967
申请日期
1934.01.10
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;NORMAN RICHARD BLIGH
发明人
分类号
H04B1/30
主分类号
H04B1/30
代理机构
代理人
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地址
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