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Sealing device for pipeline expansion joint
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Method for measuring sine-wave current active power in electric circuit
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RU1820126C
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Diaphragm safety device
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RU1820125C
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Diaphragm safety device
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RU1816927C
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Method of cleaning the heating surfaces and set for its realization
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RU1816950C
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Heat exchanger
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RU1815573C
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Heat exchanger
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Method of using water system heat of district heating
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Method for lining surface of body of revolution
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Underground heat accumulator
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Remote control device
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Automated adaptive system of control over electric ore-smelting furnace
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