DK29755C - Highly attenuated sound device. - Google Patents
Highly attenuated sound device.Info
- Publication number
- DK29755C DK29755C DK29755DA DK29755C DK 29755 C DK29755 C DK 29755C DK 29755D A DK29755D A DK 29755DA DK 29755 C DK29755 C DK 29755C
- Authority
- DK
- Denmark
- Prior art keywords
- sound device
- highly attenuated
- attenuated sound
- highly
- sound
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29755X | 1915-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK29755C true DK29755C (en) | 1922-06-19 |
Family
ID=5621800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK29755D DK29755C (en) | 1915-11-29 | 1920-08-28 | Highly attenuated sound device. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK29755C (en) |
-
1920
- 1920-08-28 DK DK29755D patent/DK29755C/en active
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