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Novel continuous flow tube type reaction system and process for synthesizing adipic acid
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Vibrating string type three-dimensional stress sensor for deep hole ground stress measurement
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Ceramic black material capable of absorbing infrared heat radiation and preparation method thereof
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Laminar flow eddy current type ascension pipe raw coke oven gas heat exchanger sprayed with ceramic black materials
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Stripping tower gas outlet liquid return device
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Large-scale complex surrounding rock condition anchoring and grouting integrated coupling effect test system and method
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Step-type water-filling goaf filling method
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Preparation method of aromatic amide compound
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Pneumatic cooling system for underground mine
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Mining pneumatic refrigeration refrigerator with temperature control mechanism
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Warehouse-through system and warehouse-through method
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Pit mining crack evolvement analog simulation testing stand
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A kind of energy saving and environment friendly oil-saving apparatus of mine-used emulsion pump station
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A kind of monitoring device for true triaxial test
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A kind of continuous automatic supplier of the abrasive material of voltage stabilization and current stabilization
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