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发明名称
Metal-to-metal seated valve pot cover with independent gasket sealing adjustment
摘要
申请公布号
US2649988(A)
申请公布日期
1953.08.25
申请号
US19510225728
申请日期
1951.05.11
申请人
THE WHELAND COMPANY
发明人
CAMPBELL GEORGE E.
分类号
F04B53/10;F16J13/02
主分类号
F04B53/10
代理机构
代理人
主权项
地址
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