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发明名称
SLIDING-CONTACT BEARING
摘要
申请公布号
SU595555(A1)
申请公布日期
1978.02.28
申请号
SU19752141213
申请日期
1975.06.04
申请人
ZHIKHAREV IVAN P,SU
发明人
ZHIKHAREV IVAN P,SU
分类号
E21B10/22;F16C17/12;(IPC1-7):F16C17/12;E21B9/08
主分类号
E21B10/22
代理机构
代理人
主权项
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