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System for utilization of heat energy
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Method of simultaneous generation of cold and heat
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Method of simultaneous cold and heat generation
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Method of reloading loose materials and device for effecting same
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Method of unloading paraffin from tanks
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Device for storing salts
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Device for storing salts
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Signalling device
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Method and arrangement for stockpiling salts
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Storage for salts
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Device for controlling rotating pipes in premix line
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Method of lowering the rate of formation of static electric charges in pipelines
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Method of erecting a retaining wall
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Thin-layer settler
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Device for control of homogenization of molasses
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Method for controlling a process of ultrafiltering of enzyme preparations
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Apparatus for growing microorganisms
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