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发明名称
SEALING RINGS
摘要
申请公布号
US3573874(A)
申请公布日期
1971.04.06
申请号
USD3573874
申请日期
1968.04.08
申请人
WELLWORTHY LTD.
发明人
HAROLD T. HILL;RONALD MORRIS CATON
分类号
F02B1/04;F16J9/26;(IPC1-7):F16J15/00;F02F11/00
主分类号
F02B1/04
代理机构
代理人
主权项
地址
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