SIGHT PLATE OF BORING ATTACH APPARATUS,申请号KR19990012901U-传众专利搜索

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发明名称	SIGHT PLATE OF BORING ATTACH APPARATUS
摘要
申请公布号	KR200163668(Y1)	申请公布日期	2000.02.15
申请号	KR19990012901U	申请日期	1999.07.02
申请人	JOUNG, TAE EUN	发明人	JOUNG, TAE EUN
分类号	E21B19/09;(IPC1-7):E21B19/09	主分类号	E21B19/09
代理机构		代理人
主权项
地址

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