DK30631C - Mikrofon. - Google Patents
Mikrofon.Info
- Publication number
- DK30631C DK30631C DK30631DA DK30631C DK 30631 C DK30631 C DK 30631C DK 30631D A DK30631D A DK 30631DA DK 30631 C DK30631 C DK 30631C
- Authority
- DK
- Denmark
- Prior art keywords
- microphone
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK30631T | 1919-07-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK30631C true DK30631C (da) | 1922-11-13 |
Family
ID=8118656
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK30631D DK30631C (da) | 1919-07-28 | 1919-07-28 | Mikrofon. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK30631C (da) |
-
1919
- 1919-07-28 DK DK30631D patent/DK30631C/da active
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