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P ra-raios

2. Pra-raios. Conjunto de equipamentos cuja finalidade proteger um edifcio ou uma estrutura e o respectivo contedo contra os efeitos perniciosos das descargas atmosfricas directas neles incidentes.NOTA: O Pra-raios dever ficar colocado pelo menos a 2 metros do ponto mais alto (segundo NP44

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P ra-raios

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