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3 вого продукта, в качестве источника микроэлементов используют пыль электрофильтров печей кислородно-факельной плавки. 2. Способ по п. 1, отличающийс тем, что пыль используют Б количестве 0,1 -10,0%5 от веса готового продукта. 4 Источники информации, прин тые во внимание при экспертизе: 1. Патент США № 3617239, кл. 71-28, 1971. 2. Узбекский химический журнал, 197 № 5, стр. 19-22.The third product, as the source of microelements, use the electrostatic dust of furnaces of oxygen-torch melting. 2. A method according to claim 1, characterized in that the dust B uses an amount of 0.1-10.0% 5 by weight of the finished product. 4 Sources of information taken into account in the examination: 1. US Patent No. 3617239, cl. 71-28, 1971. 2. Uzbek Chemical Journal, 197 No. 5, pp. 19-22.
SU2126536A1975-04-181975-04-18
The method of obtaining nitrogen fertilizer
SU542750A1
(en)
METHOD FOR PREPARING AN USEABLE ROENTGEN CONTRASTIC PRODUCT AND PROCESS FOR PREPARING AN APPROPRIATE 5-N-SUBSTITUTED 2,4,6-TRODODISOPHALIC ACID BIS (DIHYDROXYPROPYLAMIDE).