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The light fire engine having a aluminium body
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The centirfugal pump system
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A controlling apparatus for automatic water-supply of fire engine
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Mist injection apparatus and fire engine therewith
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Filter for window type ventilation system
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Sprinkler head
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Sprinkler head
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Latent heat and humidity recovery system for heat exchanger
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Method for treating chlorinated organic contaminants using steel slag and ferrous iron
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Method for simultaneously removing organic contaminants and heavy metals using black shale
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great measure soil washing system
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measuaring system for hydraulic conductivity
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