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| koeficient zvukové pohltivosti (1) |
| Kundtova trubice (1) |
| linen (1) |
| manšestr (1) |
| noise reduction coefficient Kundt's tube (1) |
| pletenina (1) |
| plátno (1) |
| sound absorption coefficient (1) |
| vlna (1) |
| wool (1) |
Now showing items 11-20 of 1