IMPROVEMENTS IN OR RELATING TO FLUID VALVES, PARTICULARLY FLUID VALVE FOR VACUUM INSTALLATIONS
1281556 Valves INSTITUT FIZIKI POLUPROVODNIKOV SIBIRSKOGO OTDELENIA AKADEMII NAUK SSSR 8 Dec 1969 [20 Feb 1969] 59757/69 Heading F2V A valve for a vacuum installation comprises a closure member 1 co-operating with a seat 16, a bushing 5 with side projections 7 movable with the closure member, linear...
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