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经营范围
发明名称
COMPLEX COMMUNICATION SYSTEM MADE BY DIVIDING FREQUENCY RANGE
摘要
申请公布号
JPS52112216(A)
申请公布日期
1977.09.20
申请号
JP19760028985
申请日期
1976.03.17
申请人
发明人
分类号
H04J1/00;G10L19/00;H04J1/08;H04M11/06
主分类号
H04J1/00
代理机构
代理人
主权项
地址
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