MINING MACHINE,申请号AU19750087493-传众专利搜索

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发明名称	MINING MACHINE
摘要
申请公布号	AU499092(B2)	申请公布日期	1979.04.05
申请号	AU19750087493	申请日期	1975.12.12
申请人	JOY MANUFACTURING CO.	发明人	M.J. DOLECKI
分类号	E21C27/02;E21C27/24;E21C31/10;(IPC1-7):E21C31/12	主分类号	E21C27/02
代理机构		代理人
主权项
地址

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