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The suspension for drilling arm chucking onto minning loader
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Paper adhesive on base of synthetical oil and natural bitumens and method of its preparation
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Hydrophylic naphtha nutrient and method of its preparation
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Hydrophylic naphtha bitumen and method of its preparation
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Method for catalyst on basis of aluminium chloride or boron fluoride removal from petroleum bitumen production process
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Oil components for impregnation oil preparation
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Method of oil bitumen preparation
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Catalyst for oxydation of anthracene
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Production method of cyclohexanole and cyclohexanone
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Benzoic acid production method
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Oxidating method of mixture of p-xylene and methyl ester of p-to-luic acid
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Preservation agent for timber preservation and method of producing the same
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Method of preparation of the terephthalic acid
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Processing of terephtalic acid
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Raw oil bitumen and method of producing same
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Method of making the terephtalic acid
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Paper size producing method
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Paper-making glue and method of preparing same
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CS218081B1
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Method of making the terephtale acid
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