MINE ROOF SUPPORT,申请号AU19860052791-传众专利搜索

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发明名称	MINE ROOF SUPPORT
摘要
申请公布号	AU579706(B2)	申请公布日期	1988.12.08
申请号	AU19860052791	申请日期	1986.01.29
申请人	HALL ALETHEA ROSALIND MELANIE	发明人	HALL ALETHEA ROSALIND MELANIE
分类号	E02D17/08;E21D15/48;(IPC1-7):E21F15/02;E21D15/502	主分类号	E02D17/08
代理机构		代理人
主权项
地址

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