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经营范围
发明名称
Improvements in or relating to electric pulse counting apparatus
摘要
申请公布号
GB777241(A)
申请公布日期
1957.06.19
申请号
GB19520017897
申请日期
1952.07.15
申请人
THE BRITISH BROADCASTING CORPORATION
发明人
LORD ARTHUR VALENTINE
分类号
H03K23/82
主分类号
H03K23/82
代理机构
代理人
主权项
地址
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