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发明名称
Piston ring assembly and element thereof
摘要
申请公布号
US2800378(A)
申请公布日期
1957.07.23
申请号
US19550483924
申请日期
1955.01.25
申请人
HASTINGS MANUFACTURING COMPANY
发明人
PHILLIPS HAROLD P.;MORGAN EARNIE J.
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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