ES51828Y - Acoustic communication device - Google Patents
Acoustic communication deviceInfo
- Publication number
- ES51828Y ES51828Y ES0051828U ES51828U ES51828Y ES 51828 Y ES51828 Y ES 51828Y ES 0051828 U ES0051828 U ES 0051828U ES 51828 U ES51828 U ES 51828U ES 51828 Y ES51828 Y ES 51828Y
- Authority
- ES
- Spain
- Prior art keywords
- communication device
- acoustic communication
- acoustic
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0051828U ES51828Y (en) | 1955-07-15 | 1955-07-15 | Acoustic communication device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES0051828U ES51828Y (en) | 1955-07-15 | 1955-07-15 | Acoustic communication device |
Publications (2)
Publication Number | Publication Date |
---|---|
ES51828U ES51828U (en) | 1956-09-01 |
ES51828Y true ES51828Y (en) | 1957-05-16 |
Family
ID=51114977
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0051828U Expired ES51828Y (en) | 1955-07-15 | 1955-07-15 | Acoustic communication device |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES51828Y (en) |
-
1955
- 1955-07-15 ES ES0051828U patent/ES51828Y/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES51828U (en) | 1956-09-01 |
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