DRILL HEAD IN HORIZONTAL LONG DISTANCE DRILLING,申请号JP19820226794-传众专利搜索

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发明名称	DRILL HEAD IN HORIZONTAL LONG DISTANCE DRILLING
摘要
申请公布号	JPS59118998(A)	申请公布日期	1984.07.09
申请号	JP19820226794	申请日期	1982.12.27
申请人	TOKYO GAS KK;NIPPON KOKAN KK;KOUKEN SHISUI KOGYO KK	发明人	MORI KOUICHI;ETOU HAJIME;HAMA KAZUHIKO;KODAMA KIYOSHI;TAKIO JIYUNICHI;TAKEUCHI HISAO;MIURA HARUO
分类号	E21D9/08;E21D9/06;E21D9/12	主分类号	E21D9/08
代理机构		代理人
主权项
地址

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