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发明名称
Access door for pressure vessels
摘要
申请公布号
US2881943(A)
申请公布日期
1959.04.14
申请号
US19580711844
申请日期
1958.01.29
申请人
CENTRAL NATIONAL BANK OF CLEVELAND
发明人
BOATRIGHT DEAN D.;HOLT JOHN P.
分类号
F16J13/20
主分类号
F16J13/20
代理机构
代理人
主权项
地址
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