ROTATING AND PERCUSSIVE SHANK FOR A ROCK DRILL MACHINE WITH AN IMPACT SURFACE A DISTANCE FROM ITS BACK END,申请号PL20030375028-传众专利搜索

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发明名称	ROTATING AND PERCUSSIVE SHANK FOR A ROCK DRILL MACHINE WITH AN IMPACT SURFACE A DISTANCE FROM ITS BACK END
摘要
申请公布号	PL208131(B1)	申请公布日期	2011.03.31
申请号	PL20030375028	申请日期	2003.10.22
申请人	SANDVIK TAMROCK OY	发明人	KOTALA ARI;SAUKKO PEKKA;HELIN AIMO
分类号	B25D17/00;E21B6/04	主分类号	B25D17/00
代理机构		代理人
主权项
地址

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