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发明名称
Vacuum-sealed flexible port union
摘要
申请公布号
US3091265(A)
申请公布日期
1963.05.28
申请号
US19610118852
申请日期
1961.06.22
申请人
UNITED STATES STEEL CORPORATION
发明人
ULSTAD CLARENCE P.
分类号
B22D18/06;C21C7/10;F16J15/10
主分类号
B22D18/06
代理机构
代理人
主权项
地址
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