BLASTING HOLE PROTECTION PLUG,申请号KR19990017833U-传众专利搜索

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发明名称	BLASTING HOLE PROTECTION PLUG
摘要
申请公布号	KR200171085(Y1)	申请公布日期	2000.03.15
申请号	KR19990017833U	申请日期	1999.08.26
申请人	KIM, WAN-SOO	发明人	KIM, WAN-SOO
分类号	F42D1/18;(IPC1-7):F42D1/18	主分类号	F42D1/18
代理机构		代理人
主权项
地址

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