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发明名称
Improvements in or relating to intercommunication systems
摘要
申请公布号
GB1036262(A)
申请公布日期
1966.07.20
申请号
GB19650005094
申请日期
1965.02.05
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
GEORGE ROGER GEOFFREY;LANGLOIS PETER JOHN
分类号
H04Q11/04
主分类号
H04Q11/04
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代理人
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