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发明名称
Improvements in electrical testing apparatus
摘要
申请公布号
GB342274(A)
申请公布日期
1931.01.28
申请号
GB19290032721
申请日期
1929.10.28
申请人
THOMAS WILLIAM CORBIN
发明人
分类号
G01R31/08
主分类号
G01R31/08
代理机构
代理人
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