PERCUSSION BIT FOR ROCK DRILL,申请号AU19860055823-传众专利搜索

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发明名称	PERCUSSION BIT FOR ROCK DRILL
摘要
申请公布号	AU584181(B2)	申请公布日期	1989.05.18
申请号	AU19860055823	申请日期	1986.03.08
申请人	SIEGFRIED TREITZ	发明人	SIEGFRIED TREITZ
分类号	E21B10/36;E21B;E21B10/00;E21B10/38;E21B10/56;(IPC1-7):E21B10/56	主分类号	E21B10/36
代理机构		代理人
主权项
地址

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