Improvements in reflectors for street and highway lighting,申请号GB19380035326-传众专利搜索

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发明名称	Improvements in reflectors for street and highway lighting
摘要
申请公布号	GB522043(A)	申请公布日期	1940.06.06
申请号	GB19380035326	申请日期	1938.12.03
申请人	PERCIVAL HOWARD MITCHELL	发明人
分类号	F21V7/04	主分类号	F21V7/04
代理机构		代理人
主权项
地址

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