A PROTECTION BLOCK APPLYING SURFACE OF EARTH CUT,申请号KR19970030371U-传众专利搜索

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发明名称	A PROTECTION BLOCK APPLYING SURFACE OF EARTH CUT
摘要
申请公布号	KR200162035(Y1)	申请公布日期	1999.12.01
申请号	KR19970030371U	申请日期	1997.10.31
申请人	YANG, WON-HOI	发明人	YANG, WON-HOI
分类号	E02D17/20;(IPC1-7):E02D17/20	主分类号	E02D17/20
代理机构		代理人
主权项
地址

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