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发明名称
DATA TRANSMISSION
摘要
申请公布号
US3612769(A)
申请公布日期
1971.10.12
申请号
USD3612769
申请日期
1970.05.04
申请人
JOHNSON SERVICE CO.
发明人
GARY F. OMAN
分类号
H04J7/00;H04L25/06;(IPC1-7):H04J3/10
主分类号
H04J7/00
代理机构
代理人
主权项
地址
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