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https://eprotraffic.ch/en/wp-content/uploads/sites/2/2021/10/EPROtraffic_projekt_BLS-Normalien.jpg20001331On behalf of BLS Netz AG, EPRO TRAFFIC creates normalies for standardization in the field of electrical and telecom installations. This is intended to simplify maintenance and servicing of systems as well as storage of spare parts on the entire BLS network.