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发明名称
TWO LEVEL SIGNAL TRANSMISSION OVER A DIGITAL TRANSMISSION SYSTEM
摘要
申请公布号
CA780044(A)
申请公布日期
1968.03.05
申请号
CAD780044
申请日期
申请人
WESTERN ELECTRIC COMPANY, INCORPORATED
发明人
SIGMUND B. PFEIFFER;ROBERT E. YAEGER
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主分类号
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