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glanzstabile films, filaments and fibres from copolymerisate mixtures on the basis of acrylonitrile copolymerisaten and procedures and spinnlösung for manufacture of the same
glanzstabile films, filaments and fibres from copolymerisate mixtures on the basis of acrylonitrile copolymerisaten and procedures and spinnlösung for manufacture of the same