Flashlight billy,申请号US19390259139-传众专利搜索

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发明名称	Flashlight billy
摘要
申请公布号	US2260639(A)	申请公布日期	1941.10.28
申请号	US19390259139	申请日期	1939.03.01
申请人	POWELL WILLIAM M	发明人	POWELL WILLIAM M.
分类号	F21V33/00;F41B15/02	主分类号	F21V33/00
代理机构		代理人
主权项
地址

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