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发明名称
Piston ring having a wear resistant surface layer
摘要
There is disclosed a wear resistant surface layer composed of 40 to 70 wt. % cobalt or cobalt base alloy as binder and the balance is substantially chromium oxide particles.
申请公布号
US4876158(A)
申请公布日期
1989.10.24
申请号
US19880169706
申请日期
1988.03.18
申请人
KABUSHIKIKAISHA RIKEN;KABUSHIKI KAISHA KOMATSU SEISAKUSHO
发明人
ONUKI, TORU;SAGAWA, JUNICHI;WATANABE, TAMOTSU;YOSHIMITSU, TOSHIO
分类号
C22C29/12;C22C32/00;C23C4/02;C23C4/06;F16J9/26
主分类号
C22C29/12
代理机构
代理人
主权项
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