Schiaramento/annotazione:From class concrete on compression strength in 22, 5, freezing resistance f 50
Descrizione del marchio dettagliata:Product / serial production
ÎÊÄÏ code: 2695621
certificate: 001. 001. 1. Av. 3. 0799
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 14. 09. 98
certificate validity interval: with 14. 09. 98 on 14. 09. 00
standard documents: technical specification 400-1-52-90 "blocs ventilating
reinforced concrete", meas.. 1-3 |