Supports for the hanging wall in a mine.,申请号ZA20040004870-传众专利搜索

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法人/股东/高管

发明名称	Supports for the hanging wall in a mine.
摘要
申请公布号	ZA200404870(B)	申请公布日期	2005.02.15
申请号	ZA20040004870	申请日期	2004.06.21
申请人	ROCLA (PROPRIETARY) LIMITED	发明人	DONALD HENRY HOURAHANE
分类号	E21D	主分类号	E21D
代理机构		代理人
主权项
地址

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