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Combined water-retaining apparatus
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Overhead escape device
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Changeable baffle device for water
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High altitude escape equipment
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Medicinal liquor
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Small blood-replenishing cake
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Body wash
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Blood-enriching warm drink and preparation method thereof
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Long-acting mind-tranquilizing perfume
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Biscuit
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Stomach warming tea
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A method of calligraphy and painting work copying based on a tablet computer
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Tea strainer
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Rotary back pressure control system
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Piston exhaust pressure controller
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Differential-pressure type backpressure control system
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Mechanical back pressure control system
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Piston exhaust pressure regulator
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Horizontal type two-wheeled vehicle
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