Filters and purifiers for machines, namely, filters and purifiers for removing contaminants from gases used in the semiconductor industry; Filters for the emissions of on and off-road engines, namely, locomotives, boats, aircrafts, automobiles, train, motorcycle, tractor, moped, bus, manufacturing furnaces, and fuel combustion machines; Air filters for vehicle motors and engines

'air':47 'aircraft':34 'automobil':35 'boat':33 'bus':40 'combust':45 'contamin':12 'emiss':23 'engin':30,53 'filter':1,7,20,48 'fuel':44 'furnac':42 'gase':14 'industri':19 'locomot':32 'machin':5,46 'manufactur':41 'mope':39 'motor':51 'motorcycl':37 'name':6,31 'off-road':27 'purifi':3,9 'remov':11 'road':29 'semiconductor':18 'tractor':38 'train':36 'use':15 'vehicl':50

TROPO 2 SIFT

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