Method and apparatus for use in the production of a helical row of coupling links,申请号US19570686685-传众专利搜索

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法人/股东/高管

发明名称	Method and apparatus for use in the production of a helical row of coupling links
摘要
申请公布号	US2973554(A)	申请公布日期	1961.03.07
申请号	US19570686685	申请日期	1957.09.27
申请人	HARRY HANSEN	发明人	HANSEN HARRY
分类号	A44B19/12;B21D53/50	主分类号	A44B19/12
代理机构		代理人
主权项
地址

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