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PD ISO/TS 11665-12:2018

Действует
Measurement of radioactivity in the environment. Air: radon-222. Determination of the diffusion coefficient in waterproof materials: membrane one-side activity concentration measurement method — 36 стр.
ICS
17.240 Radiation. Including dosimetry / Измерения параметров излучений
13.040.01 Air quality in general / Качество воздуха в целом