Welding helmet visor,申请号US20050236040F-传众专利搜索

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发明名称	Welding helmet visor
摘要
申请公布号	USD539988(S1)	申请公布日期	2007.04.03
申请号	US20050236040F	申请日期	2005.08.09
申请人	3M INNOVATIVE PROPERTIES COMPANY	发明人	CRAFOORD DAVID;BELIN RUTGER;FREDRIKSSON LENNART C.;FRIDHOLM JONAS D.;JUHLIN OSKAR E.;LILENTHAL NIKLAS;MASES KJELL I.
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代理机构		代理人
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