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Patent certificate of Three layer filter paper to measure water loss patent -2

Patent certificate of Three layer filter paper to measure water loss patent -2

Patent certificate of Special nozzle for cooling tower(invention)

Patent certificate of Special nozzle for cooling tower(invention)

Patent certificate of Combination method of coil units for cross flow closed cooling towers

Patent certificate of Combination method of coil units for cross flow closed cooling towers

Patent certificate of silt removal device for cooling tower collection pit

Patent certificate of silt removal device for cooling tower collection pit

Patent certificate of Device and method for uniform distribution of water at different flow rates in

Patent certificate of Device and method for uniform distribution of water at different flow rates in

Patent certificate of Dust-proof and sand-removing device for cooling tower

Patent certificate of Dust-proof and sand-removing device for cooling tower

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