PIPE APPARATUS FOR BORING WORK AND PRODUCTION,申请号JP19780007428-传众专利搜索

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发明名称	PIPE APPARATUS FOR BORING WORK AND PRODUCTION
摘要
申请公布号	JPS54103701(A)	申请公布日期	1979.08.15
申请号	JP19780007428	申请日期	1978.01.27
申请人	SHELL INT RESEARCH	发明人	AARII BAJIETO DENISON;REON ROU DEIKUSON;GARII RIN MAASHIYU
分类号	E21B17/00;E21B17/02	主分类号	E21B17/00
代理机构		代理人
主权项
地址

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