Method of brazing two metal heads to a metal barrel to produce a bobbin for yarn,申请号US19550499267-传众专利搜索

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发明名称	Method of brazing two metal heads to a metal barrel to produce a bobbin for yarn
摘要
申请公布号	US2940169(A)	申请公布日期	1960.06.14
申请号	US19550499267	申请日期	1955.04.05
申请人	ALLENTOWN BOBBIN WORKS	发明人	BARNES HAROLD S.
分类号	B23K1/20;B65H75/14	主分类号	B23K1/20
代理机构		代理人
主权项
地址

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