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Novel building brick
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Hotel service digital display device
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Automatic food ordering platform of hotel
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Novel building material
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Building brick
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Food packing box easy to use
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Automatic hotel vehicle hiring platform
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Intelligent hotel service platform
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Waterproof sound insulation wall material
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Square packing box
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Building thermal-insulation wallboard
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Novel heat preserving construction material
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Rotatable window
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Hotel song on-demand platform
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Waterproofing board of building
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