Device for obscuring lamps for purposes of precaution against air raids,申请号GB19390020729-传众专利搜索

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发明名称	Device for obscuring lamps for purposes of precaution against air raids
摘要
申请公布号	GB531293(A)	申请公布日期	1941.01.01
申请号	GB19390020729	申请日期	1939.07.17
申请人	AUGUST FASEL	发明人
分类号	F21V11/18	主分类号	F21V11/18
代理机构		代理人
主权项
地址

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