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发明名称
Multichannel signaling system
摘要
申请公布号
US2627553(A)
申请公布日期
1953.02.03
申请号
US19480055732
申请日期
1948.10.21
申请人
THE GENERAL ELECTRIC COMPANY
发明人
LEVY MAURICE MOISE;ESPLEY DENNIS CLARK
分类号
H04J3/04
主分类号
H04J3/04
代理机构
代理人
主权项
地址
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