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Screw conveyer with diamond wearing layer
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Diamond wear-resistant protection knife for cutter head of shield machine and manufacturing process thereof
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Material sequencing system
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Control method of material sequencing system
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Go out to have interim practise midwifery device of gynaecology and obstetrics that shelters from subassembly
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Episraea ibilii and application thereof
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MXene/Au photocatalytic nitrogen fixation material, and preparation method and application thereof
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Anticoagulant fructus polygoni multiflori polysaccharide and extraction and separation method and application thereof
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Fe (III) -ART nano particle, preparation method and application thereof
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S-modified oxygen vacancy confinement RuC nano material, and preparation method and application thereof
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Carbon-based anchoring non-noble metal monoatomic catalyst, and preparation method and application thereof
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Automatic page turning device for music score
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Automatic page turning method for music score
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Vocal music breathing training instrument
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Graphene weak current circuit and wall junction box connecting structure
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Flexible waist boosting bandage
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Waist assistance exoskeleton
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Self-locking and self-unlocking mechanical device
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Constant temperature intelligent valve control device for solar water heater
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Al-based binary intermetallic compound thermodynamic property experimental device
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