BIT FOR ROCK DRILL,申请号JP19750153439-传众专利搜索

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发明名称	BIT FOR ROCK DRILL
摘要
申请公布号	JPS5277801(A)	申请公布日期	1977.06.30
申请号	JP19750153439	申请日期	1975.12.24
申请人	FUNAKOSHI YOSHIKI	发明人	FUNAKOSHI YOSHIKI
分类号	E21B10/00	主分类号	E21B10/00
代理机构		代理人
主权项
地址

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