A Front Cover of Breaker,申请号KR20100034997-传众专利搜索

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发明名称	A Front Cover of Breaker
摘要
申请公布号	KR101206937(B1)	申请公布日期	2012.11.30
申请号	KR20100034997	申请日期	2010.04.15
申请人		发明人
分类号	E21B12/04;E02F3/36;E02F5/20;E21B1/12	主分类号	E21B12/04
代理机构		代理人
主权项
地址

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