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Granulation promoting powder and preparation method thereof
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Full-automatic high-speed round pressing bag making machine
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Novel full-automatic high-speed circle pressure circle cutting die machine
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Smashing device for raw materials of light building material with high strength and high quality
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Hydraulic mechanical arm convenient to mount and dismount in underground coal mine
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Rotary sealing structure for coal mine machinery
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Fire prevention heat preservation building material production cutting equipment
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Dust collector is used in production of fire prevention building material
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Environment-friendly putty powder and preparation method thereof
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Dust suppression device for bulk cargo loading and unloading funnel and use method thereof
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Air type heat pipe type waste heat recovery heat exchanger
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Compound nutrient fertilizer for crops
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Prefabricated building heat insulation structure and heat insulation method thereof
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Assembled building floor and energy dissipation shock-absorbing structure
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Device for automatically rolling wood grains
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Reducing oil pipe nipple
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Special casing pipe nipple for oil well
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Fracturing ball injector for oil well
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Hydraulic expansion type packer
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Semi-sealing blowout preventer for oil well fracturing
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