{menuitems}
{imagen_code}
{menuitem_wce_icon}
home_page.html
{slide_content_start}
{slide_content_end}
service.html
{slide_content_start}
{slide_content_end}
Products.html
{slide_content_start}
{slide_content_end}
HomeCinema.html
{slide_content_start}
{slide_content_end}
church_acoustic_systems.html
{slide_content_start}
{slide_content_end}
Polezno.html
{slide_content_start}
{slide_content_end}
education.html
{slide_content_start}
{slide_content_end}
contact.html
{slide_content_start}
{slide_content_end}
News.html
{slide_content_start}
{slide_content_end}
WorkProjekts.html
{slide_content_start}
{slide_content_end}
ISO 9613
Затихване на звук на открито
Атм. налягане в
Pa
(101325)
Температура на въздуха
в градуси
C
Относителна влажност
%
Звукова честота
Hz
dB
/
km
ISO 9613 - 1
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