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发明名称
VORTEX TYPE THROTTLING VALVE APPARATUS
摘要
申请公布号
US3511257(A)
申请公布日期
1970.05.12
申请号
USD3511257
申请日期
1968.09.12
申请人
WESTINGHOUSE ELECTRIC CORP.
发明人
SHIN-KIEN CHOW
分类号
F15C1/16;(IPC1-7):F15C1/16
主分类号
F15C1/16
代理机构
代理人
主权项
地址
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