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经营范围
发明名称
Improvements in or relating to electrical impulse receiving circuits
摘要
申请公布号
GB788552(A)
申请公布日期
1958.01.02
申请号
GB19550004089
申请日期
1955.02.11
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED
发明人
FORSHAW GEOFFREY
分类号
H04Q1/32
主分类号
H04Q1/32
代理机构
代理人
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