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O novo quadro legal do ruído ambiente€¦ · 1 L 10log 10 L 10 10 L 5 10 L den d e n ⎥ ⎦ ⎤ ⎢ ⎣ ⎡ = × + × + × + + P.d. 7-20h P.e. 20-23h P.n. 23-7h Definições •L
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