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发明名称
FREQUENCY DIVISION MULTIPLEX TELEPHONE SYSTEM
摘要
申请公布号
GB1476345(A)
申请公布日期
1977.06.10
申请号
GB19740027937
申请日期
1974.06.24
申请人
ROCKWELL INT CORP
发明人
分类号
H04M9/02;H04Q11/02;(IPC1-7):H04J1/02;H04M13/00
主分类号
H04M9/02
代理机构
代理人
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