CONTROLLED BREAK-OUT SHEAR PIN FOR ROCK BOLT,申请号ZA20120002041-传众专利搜索

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发明名称	CONTROLLED BREAK-OUT SHEAR PIN FOR ROCK BOLT
摘要
申请公布号	ZA201202041(B)	申请公布日期	2013.01.30
申请号	ZA20120002041	申请日期	2012.03.20
申请人	AVENG (AFRICA) LIMITED;AVENG (AFRICA) LIMITED	发明人	HOWELL MICHAEL MARTIN CHARLES
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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