Composition of matter for use in welding copper and steel,申请号US19300443913-传众专利搜索

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发明名称	Composition of matter for use in welding copper and steel
摘要
申请公布号	US1787553(A)	申请公布日期	1931.01.06
申请号	US19300443913	申请日期	1930.04.12
申请人	SCHAFFNER EMANUEL J;SCHAFFNER NORA E;EHMCKE FIELD KATIE	发明人	SCHAFFNER EMANUEL J.;SCHAFFNER NORA E.;FIELD KATIE EHMCKE
分类号	B23K35/28;B23K35/36	主分类号	B23K35/28
代理机构		代理人
主权项
地址

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