| Explosion-proof electrical equipment. Terms and definitions. Classification. Markings
Электрооборудование взрывозащищенное. Термины и определения. Классификация. Маркировка. |
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GD 85On licensing of activities in the field of … |
GOST 24258-88Scaffolding. General specifications |
PB 10-382-00Regulations for the Design and Safe Operation … |