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PD ISO/TS 11665-13:2017

Действует
Measurement of radioactivity in the environment. Air: radon 222. Determination of the diffusion coefficient in waterproof materials: membrane two-side activity concentration test method — 44 стр.
ICS
17.240 Radiation. Including dosimetry / Измерения параметров излучений
13.040.01 Air quality in general / Качество воздуха в целом