At first glance the two names look almost the same — but EN 17353:2020 +A1:2025 represents a clearly updated and technically revised version of the original EN 17353:2020 standard. The suffix “+A1:2025” means that a formal amendment (Amendment 1) was incorporated in 2025. 1. EN 17353:2020 — Original Standard (2020) First published in 2020 by the European Committee for Standardization […]
