BOS EN 143:2021 Respiratory protective devices - Particle filters - Requirements, testing, marking.; (29 page(s), in English)
Normative Instruction number 133, 30 March 2022; (3 page(s), in Portuguese)
National Standard of the P.R.C., Medical electrical equipment –Part 2-71: Particular requirements for the basic safety and essential performance of functional near-infrared spectroscopy (NIRS) equipment; (32 page(s), in Chinese)
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