Grouting liquid injection apparatus having the first and the second members, mixing guide and counterflow preventing valve, and grouting method using the injection apparatus,申请号KR20030049095-传众专利搜索

发明名称	Grouting liquid injection apparatus having the first and the second members, mixing guide and counterflow preventing valve, and grouting method using the injection apparatus
摘要
申请公布号	KR100478321(B1)	申请公布日期	2005.03.25
申请号	KR20030049095	申请日期	2003.07.18
申请人		发明人
分类号	E02D3/12;(IPC1-7):E02D3/12	主分类号	E02D3/12
代理机构		代理人
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