Miner's lamp,申请号US19300493318-传众专利搜索

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发明名称	Miner's lamp
摘要
申请公布号	US1947022(A)	申请公布日期	1934.02.13
申请号	US19300493318	申请日期	1930.11.04
申请人	MARSHALL VAN WINKLE, JR.	发明人	SCHNEIDER OTTO
分类号	F21L4/00	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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