SU20825A1 - Seismograph - Google Patents
SeismographInfo
- Publication number
- SU20825A1 SU20825A1 SU62637A SU62637A SU20825A1 SU 20825 A1 SU20825 A1 SU 20825A1 SU 62637 A SU62637 A SU 62637A SU 62637 A SU62637 A SU 62637A SU 20825 A1 SU20825 A1 SU 20825A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- seismograph
- gamburtsev
- ttsr
- yar
- same
- Prior art date
Links
Description
ЯРYar
жеsame
.: .. . .;ttSr I --« . .№. .: ... .; ttSr I - ". .№.
к патенту Г. А. Гамбурцева № 28025to patent G. A. Gamburtsev No. 28025
. ;. ;
ii
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU20825A1 true SU20825A1 (en) | 1931-05-31 |
Family
ID=
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