Bouwfysisch Ontwerpen 3 Geluid
Bouwfysisch Ontwerpen 3 Geluid
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73<br />
> 33 dB(A)<br />
35<br />
30<br />
40<br />
75<br />
> 40 dB(A)<br />
> 34 dB(A)<br />
74<br />
35<br />
74<br />
> 39 dB(A)
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