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Hydraulic system for engineering machinery provided with protection device
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Mechanical type reinforcement transmission
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Thing networking intelligent monitoring device of commodity circulation transportation
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Multimedia psychological auxiliary device with psychological relieving effect
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Heavy object transfer device for logistics management
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Logistics information management device
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Network safety monitoring device for monitoring Internet of things equipment
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Practical multimedia projector for electronic commerce scene teaching
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English translation teaching board
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Teaching quality and teaching reform engineering management platform
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Concrete structure strength test device
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Rescue device for navigation
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Real device of instructing is used in automobile teaching
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Visual model ware is used in financial accounting teaching
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Computer keyboard key cleaning device
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