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经营范围
发明名称
Improvements in or relating to telephone station apparatus
摘要
申请公布号
GB982952(A)
申请公布日期
1965.02.10
申请号
GB19620021709
申请日期
1962.06.05
申请人
THE GENERAL ELECTRIC COMPANY LIMITED;ARTHUR EDWARD HARROLD;CHARLES SPROSON SMITH
发明人
分类号
H04M1/274
主分类号
H04M1/274
代理机构
代理人
主权项
地址
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