DEVICE FOR DRILLING, ESPECIALLY PERCUSSION OR ROTARY PERCUSSION DRILLING, HOLES,申请号KR1020027011093-传众专利搜索

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发明名称	DEVICE FOR DRILLING, ESPECIALLY PERCUSSION OR ROTARY PERCUSSION DRILLING, HOLES
摘要
申请公布号	KR20020086575(A)	申请公布日期	2002.11.18
申请号	KR1020027011093	申请日期	2002.08.23
申请人		发明人
分类号	E21B1/14	主分类号	E21B1/14
代理机构		代理人
主权项
地址

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