Explanation/Annotation:Fractions 10-20 MM, marks 450
Detailed model description:Product / serial production
certificate: 018. 1. 154. 3. Av. 3. 0911
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 25. 12. 98
certificate validity interval: with 25. 12. 98 on 25. 12. 00
standard documents: Gost 9757-90 "gravel, crushed stone and grit
artificial porous. Technical condition " |
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