NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

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DIN 4109-1
Sound insulation in buildings - Part 1: Minimum requirements

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Schallschutz im Hochbau - Teil 1: Mindestanforderungen

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NA 005-55-74 AA - Requirements for sound insulation  

???din.label.webdb.content.issue??? 2018-01
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Dr.

Nanjie Hu

Am DIN-Platz, Burggrafenstr. 6
10787 Berlin

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???din.contact.fax??? +49 30 2601-42550

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