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Financial affairs document briquetting machine for financial management
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Moisture-proof carton adopting inonotus obliquus as antibacterial agent
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Antibacterial and moistureproof carton
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Mining energy-conserving emulsion pump station
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Formula defroster is beaten to stick for distribution network
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Detachable fault indicator for power distribution network
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Drawing type bottom-dump mine car
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English learning auxiliary device capable of improving learning efficiency
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Broadcast device is used in training of listening to say in english teaching
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Corrosion-resistant surface treatment device and method for magnesium-aluminum alloy
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Real simulation sand table of instructing of marketing
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Environment-friendly gallery dust collector for coal mining
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Gas monitoring equipment for coal mine safety
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Supporting device with protection function for coal mine safety construction
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Mine tunnel high stability reinforcing apparatus of colliery safety in production usefulness
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High-efficiency ventilation device for coal mining
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Special supplementary teaching table of kindergarten's education
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Preschool education special works display device
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Automatic industrial art work drawing system and method
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Physique tester
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