发明名称 Impact tool for e.g. hammer mill reducing metal or stone has highly wear-resistant molding cast into main body of ductile steel alloy
摘要 The main body (2) is a highly-ductile impact-hardened steel alloy. Cast into it, held by interlocking only, the molding (3) is located in the impact region. It is a prefabricated, solid, highly wear-resistant metal alloy differing from that of the body. -
申请公布号 DE20321302(U1) 申请公布日期 2006.09.14
申请号 DE2003221302U 申请日期 2003.08.07
申请人 STAHLWERKE BOCHUM GMBH 发明人
分类号 B25D17/02;B22D19/06;E21B10/46 主分类号 B25D17/02
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