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CS384387A1
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Process for preparing monochlorderivatives of alpha,gamma-diketoaliphatic compounds
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CS831086A1
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Two-equivalent colour-forming component and method of its preparation
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CS614386A1
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Process for the purification and isolation of mixture of 4,4-and 2,4-dihydroxydiphenylsulphone
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CS504186A1
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Preparation method of 5-amino-2-acylaminiphenols
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CS440486A1
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Process for separating of the raw mixture of 4-benzyloxy-4-hydroxydifenylsulphone and 4-benzyloxy-2-hydroxydi-fenylsulphone
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CS337086A1
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Yellow two-equivalent dyeing component and method of its production
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CS246718B1
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Preparation method of 4-benzyloxy-4-hydroxydiphenylsulphone
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CS371084A1
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Preparation method of yelow two-equivalent coloring compound
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CS622183A1
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Method of colour dispersing components emulsification
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CS622083A1
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Method of colour dispersing components emulsification
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CS235420B1
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Method of alpha,gamma-dicetoaliphatic compounds monobromderivatives preparation
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CS249556B1
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Yellow double-equivalent dir-component and method of its production
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CS230344B1
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Method of preparing 2,4,6-trimercapto-1,3,5-triazine
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CS380282A1
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Method of stabilisation of highly sensitive photographic emulsions
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CS229077B1
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Method of preparing 3-aminotriazole
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CS223478B1
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Method of preparation of the aqueous solutions of alcalic salts of the hydroxy-4,6-dichlor-1,3,5-triazine
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CS224682B1
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Method for curing a gelatinic, particularly photographic emulsion
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CS214577B1
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Method of preparation of 2-chlor-5-/alpha-/3-pentadecylphenoxy/butyramido/aniline
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CS216572B1
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Method of preparation of the 1-+l3-pentadecylphenoxy +p butyrate acid
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CS216399B1
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Method of preparation of the diethylenglykolmonomethyletheracetate and diethylenglykolmonomutyletheracetate
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