Welder's device,申请号US19310508894-传众专利搜索

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发明名称	Welder's device
摘要
申请公布号	US1885744(A)	申请公布日期	1932.11.01
申请号	US19310508894	申请日期	1931.01.15
申请人	ROBERT MALCOM	发明人	MALCOM ROBERT
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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