ROOF SUPPORT ADJACENT MINE FACE,申请号AU19790045773-传众专利搜索

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发明名称	ROOF SUPPORT ADJACENT MINE FACE
摘要
申请公布号	AU4577379(A)	申请公布日期	1979.10.18
申请号	AU19790045773	申请日期	1979.04.05
申请人	COAL INDUSTRY (PATENTS) LIMITED	发明人	ROY LEONARD BELL;DENNIS ALFRED GILLARD;PETER WATT;BRIAN CARTLEDGE;BARRY MILLHOUSE;MICHAEL EDMUND CHEESE;ERIC DRING
分类号	E21D19/02	主分类号	E21D19/02
代理机构		代理人
主权项
地址

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