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经营范围
发明名称
Lifting, turning, and seating device for plug valves
摘要
申请公布号
US2364567(A)
申请公布日期
1944.12.05
申请号
US19420462056
申请日期
1942.10.14
申请人
SYKES JR THOMAS F
发明人
JR. THOMAS F. SYKES,
分类号
F16K5/16
主分类号
F16K5/16
代理机构
代理人
主权项
地址
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