CONTROL SYSTEM FOR MINE ROOF SUPPORT,申请号AU19840029760-传众专利搜索

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发明名称	CONTROL SYSTEM FOR MINE ROOF SUPPORT
摘要
申请公布号	AU568367(B2)	申请公布日期	1987.12.24
申请号	AU19840029760	申请日期	1984.06.20
申请人	DOBSON PARK INDUSTRIES PLC,	发明人	RICHARD WARD;ARCHELAIUS DAWSON ALLEN
分类号	E21D23/12;E21D23/14;(IPC1-7):E21D23/16	主分类号	E21D23/12
代理机构		代理人
主权项
地址

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