DK74124C - Distance measuring device according to the sonar principle. - Google Patents
Distance measuring device according to the sonar principle.Info
- Publication number
- DK74124C DK74124C DK211148A DK211148A DK74124C DK 74124 C DK74124 C DK 74124C DK 211148 A DK211148 A DK 211148A DK 211148 A DK211148 A DK 211148A DK 74124 C DK74124 C DK 74124C
- Authority
- DK
- Denmark
- Prior art keywords
- measuring device
- distance measuring
- sonar principle
- sonar
- principle
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US74124XA | 1947-07-02 | 1947-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
DK74124C true DK74124C (en) | 1952-05-05 |
Family
ID=21726001
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK211148A DK74124C (en) | 1947-07-02 | 1948-07-01 | Distance measuring device according to the sonar principle. |
Country Status (1)
Country | Link |
---|---|
DK (1) | DK74124C (en) |
-
1948
- 1948-07-01 DK DK211148A patent/DK74124C/en active
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