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经营范围
发明名称
Improvements in or relating to automatic switches for use in telephone or like systems
摘要
申请公布号
GB337829(A)
申请公布日期
1930.11.10
申请号
GB19290024424
申请日期
1929.08.09
申请人
AUTOMATIC TELEPHONE MANUFACTURING COMPANY LIMITED;ALFRED EDWARD FLENLEY
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
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代理人
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