Wells,申请号GB19990015409-传众专利搜索

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发明名称	Wells
摘要
申请公布号	GB9915409(D0)	申请公布日期	1999.09.01
申请号	GB19990015409	申请日期	1999.07.01
申请人	ABB SEATEC LTD	发明人
分类号	E21B33/035;E21B41/00	主分类号	E21B33/035
代理机构		代理人
主权项
地址

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