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发明名称
Multichannel pulse signaling system
摘要
申请公布号
US2560772(A)
申请公布日期
1951.07.17
申请号
US19490081519
申请日期
1949.03.15
申请人
THE GENERAL ELECTRIC COMPANY, LIMITED
发明人
LEVY MAURICE MOISE
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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