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pro vyhledávání: '"O. F. Fomchenko"'
Publikováno v:
Power Technology and Engineering. 41:102-104
Gaps in valves between the stems and boxes are a source of rather large steam and heat losses in power-generating steam turbines. A unique development of specialists employed by the Vserossiiskii Teplotekhnicheskii Institut — superairtight seals (S