Kallionporausyksikkö, porakruunun vaihdin, sekä menetelmä porakruunun vaihtamiseksi,申请号FI20080005631-传众专利搜索

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发明名称	Kallionporausyksikkö, porakruunun vaihdin, sekä menetelmä porakruunun vaihtamiseksi
摘要
申请公布号	FI121437(B)	申请公布日期	2010.11.15
申请号	FI20080005631	申请日期	2008.06.23
申请人	SANDVIK MINING AND CONSTRUCTION OY	发明人	SILTALA, HANNU
分类号	E21B19/14;E21B19/20	主分类号	E21B19/14
代理机构		代理人
主权项
地址

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