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Water reuse system of multi-story house
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Reusable grating for draining water
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Rain drainage apparatus
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Rain drainage apparatus
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Alarm device for emergency state
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Wall having firefighting function
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Door for firefighting and firefighting system having this same
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Snow removing tool and snow removing method using this same
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Snow removing apparatus
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Constructable tank of trailer for removing snow
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KR20120113881A
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Compressed air jet-type snow removal device that use vehicles
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