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发明名称
SERIAL PULSE DIGITAL TRANSMISSION SYSTEM
摘要
申请公布号
US3609662(A)
申请公布日期
1971.09.28
申请号
USD3609662
申请日期
1969.10.23
申请人
SPERRY RAND CORP.
发明人
DAVID F. GRIMM
分类号
H04L25/08;H04Q1/39;(IPC1-7):H04Q1/32
主分类号
H04L25/08
代理机构
代理人
主权项
地址
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