Oil pressure drive system and gate valve

The invention discloses an oil pressure drive system and a gate valve. The oil pressure drive system is an oil pressure drive system that can expand and contract so as to press an object in a chamberin a vacuum atmosphere. The oil pressure drive system has a vacuum actuator and an oil pressure drivi...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	SHIBAYAMA, KOUJI, SAKODA, SEIYA, SUZUKI, MIKIYA, WADA, SHINICHI, ISHIDA, TOMOYA, TOKUHIRA, SHINNOSUKE, TERUI, TAKAAKI, FURUSE, HARUKUNI, ENDO, JIROU, INOUE, HIDEAKI, WADE, TAKUYA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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