Environmental protection. Air quality. Devices for air sampling in settlements. General technical requirements
Охрана природы. Атмосфера. Приборы для отбора проб воздуха населенных пунктов. Общие технические требования |
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SNiP 2.04.05-91Heating, Ventilation, and Air Conditioning |
FZ 146Tax Code of the Russian Federation of July 31, … |
GOST 10060.0-95Concrete. Methods for determining cold … |