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经营范围
发明名称
Improvements in and relating to circuit testers
摘要
申请公布号
GB690919(A)
申请公布日期
1953.04.29
申请号
GB19520003764
申请日期
1952.02.13
申请人
EMILE DES ROCHES
发明人
分类号
G01R31/02
主分类号
G01R31/02
代理机构
代理人
主权项
地址
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