Connecting devices for low voltage circuits for household and similar purposes. Part 2-1. Particular requirements for connecting devices as separate entities with screw-type clamping units
Road vehicles. Components of the fuel system for supply of compressed gaseous hydrogen (CGH2) or hydrogen/natural gas mix. Part 12. Gas-tight housing and ventilation hoses
The best available techniques. Technique for order of consideration of draft programs to increase environmental efficiency by the best available techniques experts
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