AN AIRLEG FOR A PERCUSSIVE DRILL,申请号ZA19920006046-传众专利搜索

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发明名称	AN AIRLEG FOR A PERCUSSIVE DRILL
摘要
申请公布号	ZA9206046(B)	申请公布日期	1993.04.28
申请号	ZA19920006046	申请日期	1992.08.12
申请人	WESTERN DEEP LEVELS LIMITED	发明人	ANDRIES JOHANNES STEFANUS HORN;DESMOND GREGORY O'DONOGHUE
分类号	E21C;F16J	主分类号	E21C
代理机构		代理人
主权项
地址

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