SU1350435A1
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Device for controlling close-control fittings
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SU1288462A1
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Piston gas-expansion machine
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SU1015350A1
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Cryogenic adjusting valve
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SU823781A1
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Method of liquefying gas in double-stage cryogenic unit
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SU785610A1
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Piston-type compressed gas driven engine
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SU777369A1
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Piston air driven engine
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SU681302A1
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Piston expander
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SU819527A1
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Turboexpander
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SU638810A1
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Piston compressed gas driven engine
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SU620729A1
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Discharge valve of piston air-driven engine
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SU566084A1
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Piston-type gas-expansion engine
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SU819523A1
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Piston air driven engine
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SU712625A1
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Once-through piston-type expander
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