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发明名称
Verfahren zur Herstellung von Kolbenringen auf Eisengrundlage mit Zusatz von Graphitund bis 10% Blei
摘要
申请公布号
DE861700(C)
申请公布日期
1953.01.05
申请号
DE1949K000944
申请日期
1949.12.13
申请人
DR. KOEHLER-GLEITMETALL G.M.B.H.
发明人
KOEHLER MAX DR.
分类号
C22C33/02
主分类号
C22C33/02
代理机构
代理人
主权项
地址
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