CPC Subgroup Additional Only
C03C 2217/257 Refractory metals
Full Title
Coatings on glass > Materials for coating a single layer on glass > Metals > Refractory metals
3 direct subcodes
Child Classifications
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- C03C 2217/258 Ti, Zr, Hf
- C03C 2217/259 V, Nb, Ta
- C03C 2217/26 Cr, Mo, W