| Guidelines for lightning protection of buildings and structures.
Инструкция по устройству молниезащиты зданий и сооружений. |
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REG 7Keeping Record and Providing Information On … |
FZ 173Federal Law of December 10, 2003 N 173-FZ. On … |
GOST 12.2.028-84General-purpose fans. Methods for determining … |