SHOE ASSEMBLY WITH CATCHER FOR CORING,申请号GB19920007385-传众专利搜索

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发明名称	SHOE ASSEMBLY WITH CATCHER FOR CORING
摘要
申请公布号	GB9207385(D0)	申请公布日期	1992.05.13
申请号	GB19920007385	申请日期	1992.04.03
申请人	BAKER HUGHES INCORPORATED	发明人
分类号	E21B25/14	主分类号	E21B25/14
代理机构		代理人
主权项
地址

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