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发明名称
FLUID-FLOW CONTROL VALVE
摘要
申请公布号
US3425450(A)
申请公布日期
1969.02.04
申请号
USD3425450
申请日期
1966.12.28
申请人
RUTH CORFE PAWLING;DOWTY MINING EQUIPMENT LTD.
发明人
FRANK PAWLING
分类号
F16K11/044;F16K11/10;G05D7/01;(IPC1-7):F16K11/04
主分类号
F16K11/044
代理机构
代理人
主权项
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