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Apparatus for drain sewage
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The establishment construction of river bank block
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The establishment construction of bottom block for reduction of river water speed
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The establishment construction of bottom block for protection an ecosystem of river
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The establishment construction of shore block for river
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The establishment construction of shore box block for protection an ecosystem of river
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The establishment construction of device for prevention the sweep of river bank
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The establishment construction of blocks for prevention the sweep of river bank
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The establishment construction of river shore facility having a good environment
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River slope protection installation structure
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Installation structure of an ecosystem music intrepid river bottom block
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Fish inhabitation block installation structure for rivers
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