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发明名称
Improvements in or relating to supervisory signal generating arrangements for automatic telephone systems
摘要
申请公布号
GB1060963(A)
申请公布日期
1967.03.08
申请号
GB19640017307
申请日期
1964.04.27
申请人
THE GENERAL ELECTRIC COMPANY LIMITED
发明人
MINNEY ALAN BERNARD;TWITE DAVID STANLEY
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
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地址
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