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发明名称
Wedge gate valve assembly
摘要
申请公布号
US3333814(A)
申请公布日期
1967.08.01
申请号
US19640411759
申请日期
1964.11.17
申请人
THETFORD ENGINEERING CORPORATION
发明人
SARGENT RONALD J.
分类号
E03F7/02;F16K3/02
主分类号
E03F7/02
代理机构
代理人
主权项
地址
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