| Explosion-proof electrical equipment. Terms and definitions. Classification. Markings
Электрооборудование взрывозащищенное. Термины и определения. Классификация. Маркировка. |
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SP 111-34-96Regulations for Construction Cleaning Pigging … |
GD 1132On measures for securing the rights and … |
REG 460Introduction of Technical Certificates for … |