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发明名称
IMPROVEMENTS IN SEALING RINGS
摘要
申请公布号
GB1213243(A)
申请公布日期
1970.11.25
申请号
GB19680026834
申请日期
1968.06.05
申请人
ISTAG A.G.
发明人
WILLIAM JAMES O'DOHERTY
分类号
F16J15/12
主分类号
F16J15/12
代理机构
代理人
主权项
地址
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