DIFF Subgroup
C22C 121/02 Coated fibres or filaments, e.g. ceramic fibres with protective coatings
Introduced: January 2000
Full Title
Pretreated fibres or filaments > Coated fibres or filaments, e.g. ceramic fibres with protective coatings
C22C 121/02 Introduced: January 2000
Pretreated fibres or filaments > Coated fibres or filaments, e.g. ceramic fibres with protective coatings