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经营范围
发明名称
An improved oil or like lamp
摘要
申请公布号
GB325670(A)
申请公布日期
1930.02.27
申请号
GB19290002968
申请日期
1929.01.29
申请人
FREDERICK ARTHUR WHILLOCK
发明人
分类号
F21V37/00
主分类号
F21V37/00
代理机构
代理人
主权项
地址
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