CPC Subgroup
C03C 25/104 to obtain optical fibres
Full Title
Surface treatment of fibres or filaments made from glass, minerals or slags > Coating > to obtain optical fibres
3 direct subcodes
Child Classifications
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- C03C 25/105 Organic claddings
- C03C 25/106 Single coatings
- C03C 25/1065 Multiple coatings