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Arc welding equipment. Part 3. Arc striking and stabilizing devices
Document status: Active
Reduce type union elbows screwed for rubber packer for tube connections on external cone. Construction and dimensions
Document status: Active
Automatic electrical controls for household and similar use. Particular requirements for electrical controls for electrical household appliances and test methods
Document status: Active
United power system and isolated power systems. Relay protection and automation. Differential protection of power lines 110–220 kV. Testing
Document status: Active
System of design documents for construction. Rules for execution of working documentation heating systems
Document status: Active
