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发明名称
Improvements in automatic switches for use in telephone or like systems
摘要
申请公布号
GB499762(A)
申请公布日期
1939.01.27
申请号
GB19370020773
申请日期
1937.07.27
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED;REGINALD TAYLOR;GEORGE THOMAS BAKER
发明人
分类号
H01H67/16;H04Q3/00
主分类号
H01H67/16
代理机构
代理人
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