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发明名称
Seals
摘要
申请公布号
GB987277(A)
申请公布日期
1965.03.24
申请号
GB19620040760
申请日期
1962.10.29
申请人
E. I. DU PONT DE NEMOURS & COMPANY
发明人
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
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