Variable light beam flashlight,申请号US19910783507-传众专利搜索

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发明名称	Variable light beam flashlight
摘要
申请公布号	US5138537(A)	申请公布日期	1992.08.11
申请号	US19910783507	申请日期	1991.10.28
申请人	WANG, HOWARD	发明人	WANG, HOWARD
分类号	F21L4/00;F21V14/04	主分类号	F21L4/00
代理机构		代理人
主权项
地址

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