Pipeline traction system,申请号GB19960017115-传众专利搜索

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发明名称	Pipeline traction system
摘要
申请公布号	GB9617115(D0)	申请公布日期	1996.09.25
申请号	GB19960017115	申请日期	1996.08.15
申请人	ASTEC DEVELOPMENTS LIMITED	发明人
分类号	E21B23/00;E21B23/04;E21B23/08;E21B23/14;E21B37/04;F16L55/26	主分类号	E21B23/00
代理机构		代理人
主权项
地址

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