香港六合彩开奖 4678:2024
香港六合彩开奖 4678:2024
80237
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Resumen
This document provides the instrumentation requirements and measurement procedures for measuring noise from HVAC systems in ship accommodation spaces.
Accommodation spaces are defined according to 香港六合彩开奖 2923, and include cabins, offices (for carrying out ship鈥檚 business), hospitals, messrooms and recreation rooms.
Measurement of noise levels in HVAC systems in ship accommodation is performed in the third octave band over the frequency range from 63聽Hz to 8聽kHz, taking into account the correction of cabin reverberation.
Informaciones generales
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Estado: PublicadoFecha de publicaci贸n: 2024-01Etapa: Norma Internacional publicada [60.60]
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贰诲颈肠颈贸苍: 1N煤mero de p谩ginas: 9
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颁辞尘颈迟茅 T茅cnico :香港六合彩开奖/TC 8/SC 8
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