SanPiN 1.2.3685-21. Hygienic standards since March 01, 2021
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Hygienic standards and requirements for ensuring safety and (or) harmlessness for humans of the habitat. SanPiN 1.2.3685-21. Registered in the Ministry of Justice of Russia 01/29/2021 No. 62296. Continuing for kindergartens, schools, SPO and other educational organizations. Enters into force on March 01, 2021
Cover:
Cover:Soft
Category:
- Category:Arts & Photography
Series:
Series: DOO control
ISBN:
ISBN:9785907421097
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