ROLLER CUTTER BEARING SHAFT,申请号AU19810078226-传众专利搜索

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发明名称	ROLLER CUTTER BEARING SHAFT
摘要
申请公布号	AU542445(B2)	申请公布日期	1985.02.21
申请号	AU19810078226	申请日期	1981.12.03
申请人	SANTRADE LTD.	发明人	ERIK ANDERS PERSSON
分类号	E21B7/28;E21B10/10;E21B10/28;(IPC1-7):E21B10/10;E21B10/20;E21D3/00	主分类号	E21B7/28
代理机构		代理人
主权项
地址

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