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发明名称
High pressure closure
摘要
申请公布号
US3307854(A)
申请公布日期
1967.03.07
申请号
US19640374454
申请日期
1964.06.11
申请人
KOPPERS COMPANY, INC.
发明人
HATFIELD PAUL E.
分类号
F16J13/02
主分类号
F16J13/02
代理机构
代理人
主权项
地址
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