METHOD AND MEANS FOR SURFACE FINISHING OF STEEL,申请号USD3430477-传众专利搜索

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发明名称	METHOD AND MEANS FOR SURFACE FINISHING OF STEEL
摘要
申请公布号	US3430477(A)	申请公布日期	1969.03.04
申请号	USD3430477	申请日期	1967.06.27
申请人	LA SALLE STEEL CO.	发明人	NORMAN N. BREYER
分类号	B21C1/00;B23D79/00;(IPC1-7):B21C1/20	主分类号	B21C1/00
代理机构		代理人
主权项
地址

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