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4 L GmbH 
Oberzeiherstr. 1 
CH-5079 Zeihen

If you have vehicles that are still equipped with Swiss tachographs, consider the following:
     
  • they must not leave Swiss territory
  • only disks with the EC imprint on both sides can be used.
  • multiple drivers are no longer allowed
  • the tachograph must be manipulated with the switch for driver 1
© 4 L GmbH, 15.04.1999 back to the main page