APPARATUS FOR TESTING ROCK CHARACTERISTICS,申请号EP19860303030-传众专利搜索

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发明名称	APPARATUS FOR TESTING ROCK CHARACTERISTICS
摘要
申请公布号	EP0231571(B1)	申请公布日期	1990.07.18
申请号	EP19860303030	申请日期	1986.04.22
申请人	KOOPMANS, ROBERT;HUGHES, ROBIN W.	发明人	KOOPMANS, ROBERT
分类号	E02D1/02;E21B49/00	主分类号	E02D1/02
代理机构		代理人
主权项
地址

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