DRILL ROD FOR A PERCUSSION ROCK DRILLING ASSEMBLY,申请号IN1982CA18819-传众专利搜索

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发明名称	DRILL ROD FOR A PERCUSSION ROCK DRILLING ASSEMBLY
摘要
申请公布号	IN156121(B)	申请公布日期	1985.05.18
申请号	IN1982CA18819	申请日期	1982.02.18
申请人	SANTRADE LIMITED	发明人	LARSSON LARS ERIK
分类号	(IPC1-7):E21C13/00	主分类号	(IPC1-7):E21C13/00
代理机构		代理人
主权项
地址

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