BOREVERKTOEY.,申请号NO19810003975-传众专利搜索

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发明名称	BOREVERKTOEY.
摘要
申请公布号	NO157834(B)	申请公布日期	1988.02.15
申请号	NO19810003975	申请日期	1981.11.23
申请人	SANDVIK AB	发明人	WIREDAL HARRY ARTUR INGVAR
分类号	E21B10/32;E21B10/46;E21B10/56;E21B10/66;(IPC1-7):E21B10/56	主分类号	E21B10/32
代理机构		代理人
主权项
地址

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