Sealing materials for gas and water supply as well as water heating systems - Non-hardening jointing compounds and polytetrafluoroethylene (PTFE) tapes for metallic threaded joints in domestic installations— 4 стр.
Mobile access and working towers made of prefabricated elements; materials, dimensions, design loads and safety requirements; german version HD 1004:1992— 22 стр.
Service and working scaffolds; types of scaffolding constructions expect ladder scaffolds and scaffolds made of prefabricated elements; safety requirements and basic versions— 12 стр.
Service and working scaffolds; types of scaffolding constructions expect ladder scaffolds and scaffolds made of prefabricated elements; safety requirements and basic versions— 12 стр.