expansion apparatus using packer,申请号KR20080117895-传众专利搜索

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发明名称	expansion apparatus using packer
摘要
申请公布号	KR101016059(B1)	申请公布日期	2011.02.23
申请号	KR20080117895	申请日期	2008.11.26
申请人		发明人
分类号	E02D5/44;E02D5/22	主分类号	E02D5/44
代理机构		代理人
主权项
地址

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