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经营范围
发明名称
Improvements in and relating to illuminating appliances
摘要
申请公布号
GB339888(A)
申请公布日期
1930.12.18
申请号
GB19300006260
申请日期
1930.02.25
申请人
WILLIAM ASBURY DOREY
发明人
分类号
F21V5/00
主分类号
F21V5/00
代理机构
代理人
主权项
地址
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