INCLINED BORING SAMPLER FOR CATCHING CORE DIRECTION,申请号JP19770073645-传众专利搜索

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发明名称	INCLINED BORING SAMPLER FOR CATCHING CORE DIRECTION
摘要
申请公布号	JPS548101(A)	申请公布日期	1979.01.22
申请号	JP19770073645	申请日期	1977.06.21
申请人	CHUO KAIHATSU	发明人	SEKO RIYUUZOU
分类号	E21B25/16;E21B25/00	主分类号	E21B25/16
代理机构		代理人
主权项
地址

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