AU7401500A
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Packing material for foodstuffs
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CS873886A1
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Means with combined thickening and abrasive effect for liquid abrasive cleaning preparations
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CS836185A1
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Method of microdispersed hydrated silicon dioxide production
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CS410784A1
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Processing of dispersing material on silicon dioxide base
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CS235250B1
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Method of macroporous silicon dioxide preparation
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CS230297B1
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Method of preparing globular carbon materials with controlled porosity
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CS221196B1
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Device for milling the grainous materials
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CS221197B1
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Method of preparation of porous sorbents on the base of carbon
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CS208879B1
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Preparation method of silicic acid xerogel with high volumen of pores
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CS199323B1
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Process for preparing magnesium oxide from dolomites and dolomite calcites
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CS203283B1
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Anorganic reagent and method of preparation thereof
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CS199882B1
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Method of producing stabilized highly liquid-absorbing natrified bentonite
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