RU1823059C
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Device for current protection
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SU1681123A1
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Pipe line for carrying heat-transfer agent with self-compensating of temperature displacements
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SU1615477A1
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Method of controlling operation of once-through water-heating boilers
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SU1288817A1
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Method of automatic tuning of capacitive earth leakage current
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SU1247628A1
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Pulverized coal and gas burner
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SU1128052A1
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Stand for mounting boilers
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SU1103319A2
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Device for overcurrent protecting of radial networks
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SU1126606A1
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Device for automatically stabilizing blowing conditions of blast furnace
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SU1020684A2
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Collector of blowing house of metallurgical works
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SU983065A1
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Deaeration unit
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SU979496A1
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Process for recovering oil-bearing wastes
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SU870867A1
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System for utilizing heat of secondary energy-resource steam
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SU870439A1
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Method of preventing emergences of blast furnace
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