Schiaramento/annotazione:Steel electric-welded (rectangular and square section)
Descrizione del marchio dettagliata:Product / serial production
certificate: 018. 154. 4. Av. 3. 2096
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 20. 08. 99
certificate validity interval: from 20. 08. 99 on 20. 08. 01
standard documents: Gost 13663-86 "pipe steel profile.
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