Activated carbons for filtering apparatus; Bleaching preparations for industrial purposes; Carbon; Chemical adsorbents for removing impurities from fuel; Chemical getters; Chemicals for use in purification of water; Desiccants for absorbing moisture; Silicon carbide for use as a raw material in the manufacture of other goods; Surface active compounds for general use in the industrial arts, namely, as wetting, spreading, emulsifying, dispersing and penetrating agents; Surfactants for use in the manufacture of synthetic detergents

'absorb':30 'activ':1,47 'adsorb':13 'agent':64 'apparatus':5 'art':55 'bleach':6 'carbid':33 'carbon':2,11 'chemic':12,19,21 'compound':48 'desicc':28 'deterg':73 'dispers':61 'emulsifi':60 'filter':4 'fuel':18 'general':50 'getter':20 'good':45 'impur':16 'industri':9,54 'manufactur':42,70 'materi':39 'moistur':31 'name':56 'penetr':63 'prepar':7 'purif':25 'purpos':10 'raw':38 'remov':15 'silicon':32 'spread':59 'surfac':46 'surfact':65 'synthet':72 'use':23,35,51,67 'water':27 'wet':58

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