| Regulations for design and safe operation of pipelaying cranes.
Правила устройства и безопасной эксплуатации кранов-трубоукладчиков. |
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GOST 12730.5-84Concrete. Methods for Determining water resistance |
FZ 40Federal Law of April 25, 2002 N 40-FZ. ON … |
GOST 28408-89Manual hoists and trolleys. General specifications |