PL131810B2 - Method of manufacture of colouring agents for cellulosicfibres,polyamide and paper for imparting them brown and red colours
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Method of manufacture of colouring agents for cellulosicfibres,polyamide and paper for imparting them brown and red colours
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PL23998082A1982-12-311982-12-31Method of manufacture of colouring agents for cellulosicfibres,polyamide and paper for imparting them brown and red colours
PL131810B2
(en)