A CHISEL OF BREAKER,申请号KR19970045200U-传众专利搜索

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发明名称	A CHISEL OF BREAKER
摘要
申请公布号	KR200178201(Y1)	申请公布日期	2000.05.01
申请号	KR19970045200U	申请日期	1997.12.31
申请人	DAEWOO HEAVY INDUSTRY LTD.	发明人	CHOI, HAK HEE;JEON, CHEOL JIN
分类号	E21B10/58;(IPC1-7):E21B10/58	主分类号	E21B10/58
代理机构		代理人
主权项
地址

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