Explicação, anotação:From class concrete on compression strength of Â20, marks on freezing resistance
F75
Descrição porminorizada da marca:Product / serial production
ÎÊÄÏ code: 2695524
certificate: 009. 169. 1. Av. 3. 3048
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 15. 03. 00
certificate validity interval: from 15. 03. 00 on 15. 03. 02
standard documents: Gost 12767-94 "floor slab reinforced concrete
continuous for large-panels building. Common technical conditions " |