Explanation/Annotation:Fractions 10-20 m MM 450
Detailed model description:Product / serial production
certificate: 005. 040. 1. Av. 3. 0722
is registered in: "Ìîññòðîéñåðòèôèêàöèÿ" 24. 07. 98
certificate validity interval: with 24. 07. 98 on 24. 07. 00
standard documents: Gost 9757-90 "gravel, crushed stone grit
artificial porous". Technical conditions. |
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