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Material pulverizer for precise screening
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Continuous reaction kettle suitable for viscous medium
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Multi-stage reaction kettle suitable for mixing reaction of a plurality of raw materials
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Anti-blocking high-efficiency dust removing device
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Spray dryer capable of realizing uniform drying
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Dissolving tank for circular reaction
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Convection type cleaning tank for solid materials
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Sectional type cyclone reaction kettle for homogeneous reaction
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High-efficiency rotational-flow heat exchanger
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Material feeding apparatus for sticky materials
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Gas discharge system
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Touch electronic doorbell
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Novel calculator
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Calculator with formula entry function
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Automatic bin discharging port anti-clogging device
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Walking stick for blind person
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Hypnosis device circuit
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Hypnosis device
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Radial tire
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Novel hand nipping preventing door device
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