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Afforestation method
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Mist supply apparatus for the soundproofing walls
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Architecture mulching material
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The soundproofing walls
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The noise prevention engineering method
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A pond treatment apparatus
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A pond treatment apparatus
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A pond purification apparatus
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Drainage of soil
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The base soil and it's afforestation method
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The traveling type fountain
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A planting block
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A planting block
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A road packing materials
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Water cleanup apparatus of a golf links pond
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