U.S. federal trademark · Serial No. 79291955 · Reg. No. 6436407
Potassium salts, in particular potassium chloride, potassium sulphate; magnesium salts, in particular magnesium chloride, kieserite, magnesium sulphate, magnesium oxide; sodium salts not for medical purposes, in particular rock salt, sodium chloride; mineral fertilizers, in particular manures containing potassium, manures containing magnesium
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