Precision pipe advancement mechanism for bending machine,申请号US19590831898-传众专利搜索

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发明名称	Precision pipe advancement mechanism for bending machine
摘要
申请公布号	US2961090(A)	申请公布日期	1960.11.22
申请号	US19590831898	申请日期	1959.08.05
申请人	KELLEY FORREST H	发明人	KELLEY FORREST H.
分类号	B21D7/16	主分类号	B21D7/16
代理机构		代理人
主权项
地址

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