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发明名称
High pressure piston seal
摘要
申请公布号
US2961278(A)
申请公布日期
1960.11.22
申请号
US19590784771
申请日期
1959.01.02
申请人
HARWOOD ENGINEERING COMPANY
发明人
NEWHALL DONALD H.
分类号
F16J15/16
主分类号
F16J15/16
代理机构
代理人
主权项
地址
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