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Читать далееFIELD: production of lime applicable in chemical industry as process raw material and in metallurgical industry, as fluxes. SUBSTANCE: method includes crushing of limestone to obtain fractions sizing 40-150 mm, burning of lumpy limestone in shaft kiln with combustion products of fuel in form of natural gas counterflow from top downward successively in three process …
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Читать далееИран-это очень важный рынок Ближнего Востока. Каждый год…
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