Leveler apparatus and method,申请号US19510229889-传众专利搜索

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发明名称	Leveler apparatus and method
摘要
申请公布号	US2742949(A)	申请公布日期	1956.04.24
申请号	US19510229889	申请日期	1951.06.05
申请人	NILSSON EINAR W	发明人	NILSSON EINAR W.
分类号	B21B1/22;B21D1/05	主分类号	B21B1/22
代理机构		代理人
主权项
地址

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