Schiaramento/annotazione:Single hollow Ì100, marks on freezing resistance of F25
Descrizione del marchio dettagliata:Product / serial production on tax return
ÎÊÄÏ code: 2693104
certificate: 010. 080. 3. Av. 3. 1222
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 24. 03. 99
certificate validity interval: with 24. 03. 99 on 24. 03. 01
standard documents: Gost 530-95 "brick and rocks of ceramic.
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