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Accurate positioning system and method for interactive intelligent blackboard
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A fixing device for transportation of wisdom blackboard
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Electronic blackboard assembly based on it is hidden
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Photovoltaic module based on off-line illumination heat intensity drive regulation
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Hide formula wisdom podium of accomodating
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Ventilation type granary based on circulating flow type variable storage space
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Green house based on dismouting and watering mechanism
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Breathing type granary convenient to tedge
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Grain sunning ground convenient to collect and pack
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Granary of sunning is eaten to grain
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Grain-oriented layered sieve structure and screening assembly thereof
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Centrifugal drying processing apparatus for chemical production
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Pipe supporting device for laser cutting
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Trees protection guardrail is used in municipal administration based on adjustable
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Compounding feeding structure with compounding proportion regulatory function
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Precise plug seeding device based on positive and negative pressure
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Plug seeding device with built-in impurity removing structure
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Precise plug seeding device based on rolling
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Roller assembly for precise plug seeding equipment
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Based on accurate cave dish seeder of rotation type
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