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发明名称
Three-piece oil control ring assembly
摘要
申请公布号
US5195758(A)
申请公布日期
1993.03.23
申请号
US19910794571
申请日期
1991.11.19
申请人
HASTINGS MANUFACTURING COMPANY
发明人
ERWAY, PARKER K.
分类号
F16J9/06
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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