Bergborerigg som er forsynt med en lyddempende kappe,申请号NO20030003931-传众专利搜索

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发明名称	Bergborerigg som er forsynt med en lyddempende kappe
摘要
申请公布号	NO20033931(D0)	申请公布日期	2003.09.05
申请号	NO20030003931	申请日期	2003.09.05
申请人	ATLAS COPCO ROCK DRILLS AB	发明人	HAMMER, RICKARD
分类号	E21B7/02;(IPC1-7):E21B	主分类号	E21B7/02
代理机构		代理人
主权项
地址

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