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经营范围
发明名称
Multiplex transmission system
摘要
申请公布号
US2912492(A)
申请公布日期
1959.11.10
申请号
US19540407492
申请日期
1954.02.01
申请人
NORTH AMERICAN PHILIPS COMPANY, INC.
发明人
HAANTJES JOHAN;VRIJER FREDERIK WILLEM DE
分类号
H04B14/08;H04N11/14
主分类号
H04B14/08
代理机构
代理人
主权项
地址
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