SPLIT BUCKET TYPE ROTARY DRILL APPARATUS,申请号JP19830206032-传众专利搜索

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发明名称	SPLIT BUCKET TYPE ROTARY DRILL APPARATUS
摘要
申请公布号	JPS6098096(A)	申请公布日期	1985.06.01
申请号	JP19830206032	申请日期	1983.11.04
申请人	KITANAKA KATSUMI	发明人	KITANAKA KATSUMI
分类号	E21B10/32;E21B11/00	主分类号	E21B10/32
代理机构		代理人
主权项
地址

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