CPC Subgroup Additional Only
F23J 2213/30 Specific materials
Full Title
Chimneys or flues > Specific materials
5 direct subcodes
Child Classifications
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- F23J 2213/301 flexible
- F23J 2213/302 plastic
- F23J 2213/303 metallic
- F23J 2213/304 ceramic
- F23J 2213/305 glass