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发明名称
Piston ring assembly and elements thereof
摘要
申请公布号
US2594987(A)
申请公布日期
1952.04.29
申请号
US19510223740
申请日期
1951.04.30
申请人
HASTINGS MANUFACTURING COMPANY
发明人
PHILLIPS HAROLD P.
分类号
F16J9/06;F16J9/20
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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