Signal conversion equipment for simultaneous duplex data transmission on switched channels of general telephone network and unswitched voice frequency channels. Type and basic parameters
State system for ensuring the uniformity of measurements. National standards for verification procedures. General requirements for the content and design
Uniform provisions concerning the approval of motor vehicle headlamps emitting an asymmetrical passing beam or a driving beam or both and equipped with halogen filament lamps (H4 lamps)
€10
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