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RU1779404C
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Grinder
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Piston for automatic adjustment of compression ratio in internal combustion engine
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Butt joint of rail
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Vortex jet device
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Piston for automatic control of internal combustion engine compression ratio
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Cylinder-and piston group of piston machine
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Box-emptying device
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Device for undoing cases
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Device for hydroponic growing of plants
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Arrangement for unpacking articles
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Device for cutting in branches into operating pipelines
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Multiple-pass heat-exchanger
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Flight crystallizer
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Apparatus for automatic submerged overhead welding
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Arrangement for making thin-walled shells from sheet blanks
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Reaction chamber closure
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Recuperator
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Recuperator
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