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NEWS from COTIF
From 12 Apr 2025
Since APRIL 2025, COTIF has recognized OK-A "K Diffusion" as an expert organization for testing and inspecting tank wagon tanks: https://otif.org/fileadmin/docs/LegalTexts/COTIF/DangerousGoodsRID/NotificationsfromMS/6.8.2.4.6/RID-25008-CE-def-approved_experts_Bulgaria.pdf.
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