DOUBLE SWIVEL OF A DRILL MACHINE,申请号KR19940039460-传众专利搜索

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发明名称	DOUBLE SWIVEL OF A DRILL MACHINE
摘要
申请公布号	KR0137695(B1)	申请公布日期	1998.07.15
申请号	KR19940039460	申请日期	1994.12.30
申请人	SHIN, YOUNG-CHOL;SUNG, HEE-JOO	发明人	SHIN, YOUNG-CHOL
分类号	E21B17/02;(IPC1-7):E21B17/02	主分类号	E21B17/02
代理机构		代理人
主权项
地址

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