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SU1541679A1
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Method of obtaining magnetic liquid
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Apparatus for magnetic treatment of gaseous and liquid media
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Combination seal
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Magnetic liquid sealing device
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Apparatus for drying and impregnating capacitors
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Refrigeration machine
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Magnetic-liquid seal
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Stopper
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Magnetic-liquid seal
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Shaft seal
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Oil separator for refrigeration unit
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Threaded-connection seal
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Magnetic liquid seal
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Adjustable heating pipe
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Device for controlling air cooler thawing
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Revolving sheft magnetic seal
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SU565163A1
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Cascade refrigerating unit
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Cylinder-piston unit
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SU616188A1
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Magnetic seal of rotating shaft
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SU566081A1
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Refrigerating machine
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