STOPE DRILLING RIG,申请号ZA19760004219-传众专利搜索

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发明名称	STOPE DRILLING RIG
摘要
申请公布号	ZA7604219(B)	申请公布日期	1978.02.22
申请号	ZA19760004219	申请日期	1976.07.15
申请人	COMPAIR SA LTD	发明人	NICOL A;HUNT C
分类号	E21C	主分类号	E21C
代理机构		代理人
主权项
地址

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