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发明名称
Einrichtung für die Aufrechterhaltung eines gewünschten Druckunterschiedes zwischen zwei Abschnitten einer Strömungsmittelleitung
摘要
申请公布号
CH395671(A)
申请公布日期
1965.07.15
申请号
CH19610004835
申请日期
1961.04.25
申请人
C. A. NORGREN CO.
发明人
A.,JR. WILSON,JESSE;V. FRIEDELL,MORLEY
分类号
F16N7/34;G05D7/01
主分类号
F16N7/34
代理机构
代理人
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地址
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