BORRVERKTYG.,申请号FI19820000171-传众专利搜索

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发明名称	BORRVERKTYG.
摘要
申请公布号	FI75650(C)	申请公布日期	1988.07.11
申请号	FI19820000171	申请日期	1982.01.20
申请人	SANDVIK AKTIEBOLAG,	发明人	WIREDAL,HARRY ARTUR INGVAR
分类号	E21B10/52;E21B10/04;E21B10/32;E21B10/40;E21B10/56;E21B10/66;(IPC1-7):E21B10/56	主分类号	E21B10/52
代理机构		代理人
主权项
地址

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