DD81537A - - Google Patents
Info
- Publication number
- DD81537A DD81537A DD81537DA DD81537A DD 81537 A DD81537 A DD 81537A DD 81537D A DD81537D A DD 81537DA DD 81537 A DD81537 A DD 81537A
- Authority
- DD
- German Democratic Republic
Links
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD81537A true DD81537A (fr) |
Family
ID=267817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD81537D DD81537A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| DD (1) | DD81537A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK152400B (da) * | 1974-02-20 | 1988-02-22 | Freudenberg Carl | Lydabsorptionsplade til luftlyde |
-
0
- DD DD81537D patent/DD81537A/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK152400B (da) * | 1974-02-20 | 1988-02-22 | Freudenberg Carl | Lydabsorptionsplade til luftlyde |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1166139A (fr) | Stratifie acoustique, et systemes d'insonorisation qui y font appel | |
| US3985198A (en) | Sound deadening laminate | |
| US7721846B2 (en) | Sound absorbing material | |
| EP1406792B1 (fr) | Element d'isolation phonique | |
| DD81537A (fr) |