 |
| |||
| acoustic insulation The process of preventing the transmission of sound by surrounding with a nonconducting material | |||
|
aillament acustic : 2 do fraz, 1 tematyki |
| Ochrona środowiska | 2 |
|
| |||
| acoustic insulation The process of preventing the transmission of sound by surrounding with a nonconducting material | |||
|
aillament acustic : 2 do fraz, 1 tematyki |
| Ochrona środowiska | 2 |