Национальный технический университет "Харьковский политехнический институт"
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A composition for the production of wollastonite filler, containing silica and calcium carbonate, differing in that as ultrafine silica and calcium carbonate waste from production of mineral fertilizers from low-grade phosphorus-containing raw material is used at component ratio of 1:1.
UAU201400475U2014-01-202014-01-20Composition for the production of wollastonite filler
UA92506U
(en)