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经营范围
发明名称
MULTIFREQUENCY SIGNAL RECEPTION SYSTEM
摘要
申请公布号
JPS5549093(A)
申请公布日期
1980.04.08
申请号
JP19780121543
申请日期
1978.10.04
申请人
HITACHI LTD
发明人
TAKAOKA KAZUHIKO
分类号
H04Q1/45;H04L27/26;H04Q1/453
主分类号
H04Q1/45
代理机构
代理人
主权项
地址
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