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Yarn ball forming implement and yarn ball forming method
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Coin discriminator and money box
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Method and apparatus for treating spent film-embedded glass
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Environmentally-friendly method for taking in river surface water and automatic regenerating type water intake strainer
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New clathrate, its use and resin composition
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Ornament with movable symbolic figure and the symbolic figure
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Construction of headrace channel in river channel combining small-scale falling work
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Reutilized water intake system
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Construction method for placing bed of rubber shutter gate bladder for concrete prefab form aqueduct
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