ES179532A1 - IMPROVEMENTS IN THE CONTROLS OF TELEPHONE RECEIVERS - Google Patents
IMPROVEMENTS IN THE CONTROLS OF TELEPHONE RECEIVERSInfo
- Publication number
- ES179532A1 ES179532A1 ES179532A ES179532A ES179532A1 ES 179532 A1 ES179532 A1 ES 179532A1 ES 179532 A ES179532 A ES 179532A ES 179532 A ES179532 A ES 179532A ES 179532 A1 ES179532 A1 ES 179532A1
- Authority
- ES
- Spain
- Prior art keywords
- controls
- telephone receivers
- receivers
- telephone
- 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 |
|---|---|---|---|
| ES179532A ES179532A1 (en) | 1947-08-12 | 1947-08-12 | IMPROVEMENTS IN THE CONTROLS OF TELEPHONE RECEIVERS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES179532A ES179532A1 (en) | 1947-08-12 | 1947-08-12 | IMPROVEMENTS IN THE CONTROLS OF TELEPHONE RECEIVERS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES179532A1 true ES179532A1 (en) | 1947-12-01 |
Family
ID=65620949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES179532A Expired ES179532A1 (en) | 1947-08-12 | 1947-08-12 | IMPROVEMENTS IN THE CONTROLS OF TELEPHONE RECEIVERS |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES179532A1 (en) |
-
1947
- 1947-08-12 ES ES179532A patent/ES179532A1/en not_active Expired
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