540310 High Tenacity Yarn of Viscose Rayon Filament
540320 Textured Yarn of Artificial Filaments
540331 Single Yarn of Viscose Rayon Filament, Twist Not Exceeding 120turns/ 540332 Single Yarn of Viscose Rayon Filament, Twist Exceeding 120turns/m
540333 Single Yarn of Cellulose Acetate Filament
540339 Other Single Yarn of Artificial Filaments
540341 Multiple or Cabled Yarn of Viscose Rayon Filament
540342 Multiple or Cabled Yarn of Cellulose Acetate Filament
540349 Other Multiple or Cabled Yarn of Artificial Filament
