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发明名称
Advertising sign
摘要
申请公布号
GB520111(A)
申请公布日期
1940.04.15
申请号
GB19380031093
申请日期
1938.10.27
申请人
EDWARD GEORGE HENDERSON;CECIL JOHN MORGAN
发明人
分类号
F21V8/00;G02B6/00
主分类号
F21V8/00
代理机构
代理人
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地址
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