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发明名称
Pilot actuated butterfly valve
摘要
申请公布号
US2796082(A)
申请公布日期
1957.06.18
申请号
US19550487955
申请日期
1955.02.14
申请人
INTERSTATE ENGINEERING CORPORATION
发明人
GREEN LELAND W.;SUMMERS STANLEY E.
分类号
F16K1/22
主分类号
F16K1/22
代理机构
代理人
主权项
地址
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