SU24903A1 - Электромагнитный телефон - Google Patents
Электромагнитный телефонInfo
- Publication number
- SU24903A1 SU24903A1 SU71102A SU71102A SU24903A1 SU 24903 A1 SU24903 A1 SU 24903A1 SU 71102 A SU71102 A SU 71102A SU 71102 A SU71102 A SU 71102A SU 24903 A1 SU24903 A1 SU 24903A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- phone
- electromagnetic
- electromagnetic phone
- tshch
- riui
- Prior art date
Links
Description
.
Тел i(i..riui Тщ.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU24903A1 true SU24903A1 (ru) | 1932-01-31 |
Family
ID=
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