Explanation/Annotation:Front hollow
Detailed model description:Product / serial production
certificate: 010. 232. 2. Av. 3. 2609
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 20. 12. 99
certificate validity interval: from 20. 12. 99 on 20. 12. 01
standard documents: Gost 7484-78 "brick and rocks ceramic
front. Technical condition " |
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