| Last updated: 20.05.2012 |
| Sound pressure level measurements of public address and general alarm systems |
| List of Firms by country |
| Manufacturer | Country, City | ¹ of Recognition Certificate | ||
|---|---|---|---|---|
| RAPID SOLUTIONS LTD COMPANY | Azerbaijan , Baku | 07.01248.140
| ||
| TESTING LABORATORY "ASTRA-NN" LTD | Russia , Nizhniy Novgorod | 10.50553.130
|