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24-08-2021
36
مقاييس
قياسات الاشعاعية والنووية
اختبارات
640 ج.م.
ISO 11665-4:2021 Measurement of radioactivity in the environment — Air: radon-222 — Part 4: Integrated measurement method for determining average activity concentration using passive sampling and delayed analysis
متبناه
غير الزامى
01.040.01 - 17.240