a tunnel wall cleaning apparatus,申请号KR20030022196-传众专利搜索

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发明名称	a tunnel wall cleaning apparatus
摘要
申请公布号	KR100516024(B1)	申请公布日期	2005.09.21
申请号	KR20030022196	申请日期	2003.04.09
申请人		发明人
分类号	E21F5/00;(IPC1-7):E21F5/00	主分类号	E21F5/00
代理机构		代理人
主权项
地址

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