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24-08-2021
38
مقاييس
قياسات الاشعاعية والنووية
اخرى
670 ج.م.
ISO 11665-1:2019 Measurement of radioactivity in the environment — Air: radon-222 — Part 1: Origins of radon and its short-lived decay products and associated measurement methods
متبناه
غير الزامى
17.240