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发明名称
Throttling device
摘要
申请公布号
US2231959(A)
申请公布日期
1941.02.18
申请号
US19380227958
申请日期
1938.09.01
申请人
SLOAN VALVE COMPANY
发明人
SLOAN WILLIAM E.
分类号
F16K47/04
主分类号
F16K47/04
代理机构
代理人
主权项
地址
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