DK92172C - Chefstelefonanlæg. - Google Patents
Chefstelefonanlæg.Info
- Publication number
- DK92172C DK92172C DK282655A DK282655A DK92172C DK 92172 C DK92172 C DK 92172C DK 282655 A DK282655 A DK 282655A DK 282655 A DK282655 A DK 282655A DK 92172 C DK92172 C DK 92172C
- Authority
- DK
- Denmark
- Prior art keywords
- headphone system
- headphone
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US92172XA | 1954-12-14 | 1954-12-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK92172C true DK92172C (da) | 1961-11-13 |
Family
ID=21736290
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK282655A DK92172C (da) | 1954-12-14 | 1955-08-29 | Chefstelefonanlæg. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK92172C (da) |
-
1955
- 1955-08-29 DK DK282655A patent/DK92172C/da active
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