ES164744A3 - IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS - Google Patents
IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONSInfo
- Publication number
- ES164744A3 ES164744A3 ES164744A ES164744A ES164744A3 ES 164744 A3 ES164744 A3 ES 164744A3 ES 164744 A ES164744 A ES 164744A ES 164744 A ES164744 A ES 164744A ES 164744 A3 ES164744 A3 ES 164744A3
- Authority
- ES
- Spain
- Prior art keywords
- devices
- automatic recording
- improvements introduced
- telephone conversations
- conversations
- 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 |
---|---|---|---|
ES164744A ES164744A3 (en) | 1944-02-11 | 1944-02-11 | IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES164744A ES164744A3 (en) | 1944-02-11 | 1944-02-11 | IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS |
Publications (1)
Publication Number | Publication Date |
---|---|
ES164744A3 true ES164744A3 (en) | 1944-03-16 |
Family
ID=69420013
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES164744A Expired ES164744A3 (en) | 1944-02-11 | 1944-02-11 | IMPROVEMENTS INTRODUCED IN THE DEVICES FOR AUTOMATIC RECORDING OF TELEPHONE CONVERSATIONS |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES164744A3 (en) |
-
1944
- 1944-02-11 ES ES164744A patent/ES164744A3/en not_active Expired
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