MINER CUTTING BIT HOLDING APPARATUS,申请号AU19910070220-传众专利搜索

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发明名称	MINER CUTTING BIT HOLDING APPARATUS
摘要
申请公布号	AU7022091(A)	申请公布日期	1991.08.08
申请号	AU19910070220	申请日期	1991.02.04
申请人	JOY TECHNOLOGIES INC.	发明人	MICHAEL L. O'NEILL;STEPHEN P. MOORE;EUGENE F. PENDOLINO
分类号	E21C35/19;E21C35/193	主分类号	E21C35/19
代理机构		代理人
主权项
地址

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