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经营范围
发明名称
Apparatus for carrying out and marking the results of examinations
摘要
申请公布号
GB333066(A)
申请公布日期
1930.08.07
申请号
GB19290025958
申请日期
1929.08.26
申请人
LAWRENCE KINNAIRD
发明人
分类号
G06K17/00
主分类号
G06K17/00
代理机构
代理人
主权项
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