Drill bit - roll forging process,申请号EP19970301286-传众专利搜索

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发明名称	Drill bit - roll forging process
摘要
申请公布号	EP0792705(A3)	申请公布日期	1998.11.11
申请号	EP19970301286	申请日期	1997.02.26
申请人	BLACK & DECKER INC.	发明人	JUNGWIRTH, RUDOLF
分类号	B21H3/10;(IPC1-7):B21H3/10	主分类号	B21H3/10
代理机构		代理人
主权项
地址

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