,申请号KR20080007219U-传众专利搜索

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发明名称
摘要
申请公布号	KR20090012432(U)	申请公布日期	2009.12.07
申请号	KR20080007219U	申请日期	2008.06.02
申请人		发明人
分类号	E21B10/42;E21B10/00	主分类号	E21B10/42
代理机构		代理人
主权项
地址

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