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发明名称
Signaluebertragungssystem
摘要
申请公布号
DE1487849(A1)
申请公布日期
1971.04.15
申请号
DE19661487849
申请日期
1966.07.28
申请人
THE POST OFFICE
发明人
FRANK RIGBY,DONALD
分类号
H04Q3/42
主分类号
H04Q3/42
代理机构
代理人
主权项
地址
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