47780 ⎘
Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing; Mixing on or by conveyors, e.g. by belts or chains provided with mixing elements Endless-belt mixers, i.e. for mixing while transporting the material on an endless belt, e.g. with stationary mixing elements
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