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发明名称
Simultaneous multiple two-way multiplex communications systems
摘要
申请公布号
US3275746(A)
申请公布日期
1966.09.27
申请号
US19630259561
申请日期
1963.02.19
申请人
AURELIO BELTRAMI
发明人
BELTRAMI AURELIO
分类号
H04J14/08;H04N7/08;H04N7/14
主分类号
H04J14/08
代理机构
代理人
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