| Reinforced concrete slabs for pavement of city roads. Specifications
Плиты железобетонные для покрытий городских дорог. Технические условия |
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OST ОСТ 32.193-2002Slackless couplings for 1520 mm gauge … |
GOST 380-71General-purpose carbon steel. Grades and … |
RD 153-34.1-30.106-00Maintenance Regulations for Gas Facilities of … |