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D.C. supplied electronic ballasts for tubular fluorescent lamps. General and safety requirements
Document status: Active
Stationary water-tube boilers. General. Materials and stress allowances for the boiler pressure parts
Document status: Active
Electrical insulating materials. Safety requirements and test methods
Document status: Active
Electrical apparatus for explosive gas atmospheres. Part 25. Intrinsically safe systems
Document status: Active
Explosive atmospheres. Part 1. Equipment protection by flameproof enclosures 'd'
Document status: Active
Appliance couplers for household and similar general purposes. Part 2-3. Particular requirements for appliance couplers with a degree of protection higher than IPXO and methods of tests
Document status: Active