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经营范围
发明名称
Improvements in or relating to transistor circuits
摘要
申请公布号
GB999508(A)
申请公布日期
1965.07.28
申请号
GB19600039564
申请日期
1960.11.17
申请人
BRITISH TELECOMMUNICATIONS RESEARCH LIMITED
发明人
HEDDERLY DAVID LESLIE
分类号
H03K17/18
主分类号
H03K17/18
代理机构
代理人
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