APPARATUS FOR HOLDING A CUTTING BIT,申请号GB19910017382-传众专利搜索

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发明名称	APPARATUS FOR HOLDING A CUTTING BIT
摘要
申请公布号	GB2247706(A)	申请公布日期	1992.03.11
申请号	GB19910017382	申请日期	1991.08.12
申请人	* JOY TECHNOLOGIES INC	发明人	MICHAEL L * O'NEILL
分类号	E21C35/197	主分类号	E21C35/197
代理机构		代理人
主权项
地址

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