Schiaramento/annotazione:Single ïîëíîòåëûé Ì100 of mark on freezing resistance of F25
Descrizione del marchio dettagliata:Product / serial production
ÎÊÄÏ code: 2693101
certificate: 010. 232. 3. Av. 3. 1918
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 26. 07. 99
certificate validity interval: with 26. 07. 99 on 26. 07. 01
standard documents: Gost 530-95 "brick and rocks of ceramic.
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