Welder's helmet,申请号US19630258326-传众专利搜索

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法人/股东/高管

发明名称	Welder's helmet
摘要
申请公布号	US3225356(A)	申请公布日期	1965.12.28
申请号	US19630258326	申请日期	1963.02.13
申请人	HANS BURMEISTER	发明人	BURMEISTER HANS
分类号	A61F9/06	主分类号	A61F9/06
代理机构		代理人
主权项
地址

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