| Hot-rolled steel flanged beams. Range of products.
Двутавры стальные горячекатаные. Сортамент. |
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RD 09-54-94Procedural Guidelines (Industry Requirements) … |
SNiP 2.04.02-84Water Supply. Exterior Networks and Installations. |
SNiP 11-104-97System of Regulatory Documents in Construction. … |