Item:Q8009: Difference between revisions
Created a new Item: soundproofing, reducing the sound pressure with respect to a specified sound source and receptor |
Created claim: subclass of (P1): insulation (Q7302) |
||
| Property / subclass of | |||
| Property / subclass of: insulation / rank | |||
Normal rank | |||
| Property / subclass of: insulation / qualifier | |||