ROCK DRILL BIT,申请号AU19840032906-传众专利搜索

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发明名称	ROCK DRILL BIT
摘要
申请公布号	AU562686(B2)	申请公布日期	1987.06.18
申请号	AU19840032906	申请日期	1984.09.11
申请人	SANTRADE LTD.	发明人	SOREN LILJEKVIST;BO NORDMARK;TOMMY TUKALA
分类号	E21B10/36;E21B10/52;E21B10/56;(IPC1-7):E21B10/58	主分类号	E21B10/36
代理机构		代理人
主权项
地址

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