Welding rod holder,申请号US19470774063-传众专利搜索

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发明名称	Welding rod holder
摘要
申请公布号	US2504837(A)	申请公布日期	1950.04.18
申请号	US19470774063	申请日期	1947.09.15
申请人	HILLS JOSEPH A	发明人	HILLS JOSEPH A.
分类号	B23K9/28	主分类号	B23K9/28
代理机构		代理人
主权项
地址

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