2023DIN 54018-1:2023-12 Non-destructive testing - Eddy current testing for testing of heat exchanger tubes from the inside - Part 1: General principles
2023DIN 54018-1:2023-06 Non-destructive testing - Eddy current testing for inspection of heat exchanger tubes from the inside - Part 1: General principles / Note: Date of issue 2023-05-19