Waste-Gas Burners; Air and Gas Filtering Installations for Buildings, Factories, Industrial Plants and Metallurgical Plants-Namely, Electrostatic and Bag Filters and Woven Filter Cloths of Cotton and/or Synthetic Fibers for Use in Such Filters; Gas Cooling Towers and Scrubbers; Fluidized Bed Furnaces; Evaporation Coolers; and Waste Water Treatment Basins

'air':5 'and/or':30 'bag':22 'basin':52 'bed':44 'build':11 'burner':4 'cloth':27 'cool':39 'cooler':47 'cotton':29 'electrostat':20 'evapor':46 'factori':12 'fiber':32 'filter':8,23,26,37 'fluidiz':43 'furnac':45 'gas':3,7,38 'industri':13 'instal':9 'metallurg':16 'name':19 'plant':14,18 'plants-nam':17 'scrubber':42 'synthet':31 'tower':40 'treatment':51 'use':34 'wast':2,49 'waste-ga':1 'water':50 'woven':25

Flue-Gas Turbines, Dust-Removing Installations-Namely, Cyclones

'cyclon':11 'dust':6 'dust-remov':5 'flue':2 'flue-ga':1 'gas':3 'instal':9 'installations-nam':8 'name':10 'remov':7 'turbin':4

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