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CN111829290A
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Space division starting method
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CN109855435A
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Temperature Control of Electric Resistance Furnace method based on Geometric Sequence permutation and combination
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CN109889103A
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A kind of adaptive soft-start by lowering voltage device and its control method
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CN109163506A
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With the device for assisting lower tower low energy consumption to produce low purity oxygen and high pure oxygen product simultaneously
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A kind of method that cryogenic rectification produces liquid
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It is a kind of to be used for nitrogen, ammonia, methane purifying high-pressure plate-fin heat exchanger in tail gas
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A kind of low-temperature centrifugal pump inlet system
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A kind of pipe arrangement guide frame of high pressure low temperature centrifugal pump
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A kind of liquefied pot
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CN107939737A
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A kind of guide frame of guiding trestle and the vertical high pressure centrifugal pump pump housing
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CN109140902A
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A kind of novel evacuated ice chest
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A kind of system recycling hydrogen from synthesis ammonia relief gas
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A kind of high-pressure ball type separator
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Device for preparing ammonia synthesis gas and joint production LNG using liquid nitrogen wash and method thereof
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Pipe-tank type water bath vaporizer device
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