Mine roof anchor assembly having an expansion shell assembly with a friction reducing means,申请号GB19910009761-传众专利搜索

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发明名称	Mine roof anchor assembly having an expansion shell assembly with a friction reducing means
摘要
申请公布号	GB2244779(B)	申请公布日期	1994.01.19
申请号	GB19910009761	申请日期	1991.05.04
申请人	* JENNMAR CORPORATION	发明人	JERRY E * FREASE
分类号	F16B1/00;F16B13/00;F16B13/06;F16B13/14;(IPC1-7):F16B13/06	主分类号	F16B1/00
代理机构		代理人
主权项
地址

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