DRILL,申请号JP19810146516-传众专利搜索

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发明名称	DRILL
摘要
申请公布号	JPS5847893(A)	申请公布日期	1983.03.19
申请号	JP19810146516	申请日期	1981.09.17
申请人	SUMITOMO KINZOKU KOUZAN KK	发明人	TAKANO SHIYOU
分类号	E21B25/02	主分类号	E21B25/02
代理机构		代理人
主权项
地址

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