Down the hole hammer,申请号ZA19980001023-传众专利搜索

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发明名称	Down the hole hammer
摘要
申请公布号	ZA9801023(B)	申请公布日期	1998.08.21
申请号	ZA19980001023	申请日期	1998.02.09
申请人	CABANAC JEAN CLAUDE BERNARD;VALENTIM JOSE ANTONIO DOS SANTOS	发明人	JEAN CLAUDE BERNARD CABANAC;JOSE ANTONIO DOS SANTOS VALENTIM
分类号	E21B	主分类号	E21B
代理机构		代理人
主权项
地址

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