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Agents for the preparation of fibres, and use of products of reaction of the acid polifosforico oxalquilatos acids and alkyl - and alquenilcarboxilicos C8 - C18 1 to 22 units of etilenico oxide
Agents for the preparation of fibres, and use of products of reaction of the acid polifosforico oxalquilatos acids and alkyl - and alquenilcarboxilicos C8 - C18 1 to 22 units of etilenico oxide
