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1 Aplicarea tehnologiei pentru plăcile de ciment armate ... - Dedeman

1 Aplicarea tehnologiei pentru plăcile de ciment armate ... - Dedeman

1 Aplicarea tehnologiei pentru plăcile de ciment armate ... - Dedeman

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Frecvenţa centrală a benzii <strong>de</strong> trecere, HzTransmiterea sunetului <strong>de</strong> impact in<strong>de</strong>x E L = + 15 dBFigura 4. Test fonoizolaţie la impact10

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