Apparatus for making welding electrodes,申请号US19350027507-传众专利搜索

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发明名称	Apparatus for making welding electrodes
摘要
申请公布号	US2063497(A)	申请公布日期	1936.12.08
申请号	US19350027507	申请日期	1935.06.20
申请人	BETHLEHEM STEEL COMPANY	发明人	GEER HARRY R.
分类号	B23K35/40	主分类号	B23K35/40
代理机构		代理人
主权项
地址

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