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Home »Methods»Heating, Ventilation, Air Conditioning/VVS»Air raids shelters – ventilating aggregate: Sound pressure level (NT VVS 044)

Air raids shelters – ventilating aggregate: Sound pressure level (NT VVS 044)

Posted onNovember 25, 1985September 25, 2020Author

  • Report #: NT VVS 044
  • Approved: November 1985
Download pdf Size: 41.22 KB

Abstract

  This NORDTEST method describes the procedure for measuring the sound pressure level of ventilating aggregates for use in air raid shelters.  
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CategoriesHeating, Ventilation, Air Conditioning/VVS, Methods

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