1931/en: Unterschied zwischen den Versionen
Zur Navigation springen
Zur Suche springen
Sarah (Diskussion | Beiträge) |
Carola (Diskussion | Beiträge) Keine Bearbeitungszusammenfassung |
||
| Zeile 26: | Zeile 26: | ||
[[de:1931/de]] | [[de:1931/de]] | ||
[[en:1931/en]] | [[en:1931/en]] | ||
[[es:1931/es]] | |||
[[fr:1931/fr]] | |||
[[it:1931/it]] | |||
[[ja:1931/ja]] | |||
[[nl:1931/nl]] | [[nl:1931/nl]] | ||
[[pl:1931/pl]] | |||
[[ru:1931/ru]] | [[ru:1931/ru]] | ||
[[zh:1931/zh]] | |||
Aktuelle Version vom 15. November 2014, 01:24 Uhr
| 1930 << 1931 >> 1932 |
|---|
Events
- On 11th January, 1930, Léon Hatot was awarded the main patent No. 704.910 for the Rolls-watch automatic winding mechanism. The additional patents Nos. 38.984, 39.523 and 39.581 were awarded to him on 30th November, 1931.
Births
- Siegfried Möckel was born on 28th March, 1931.
- Gérald Charles Genta was born on 1st May, 1931 in Geneva.
Deaths
February
- Henri Louis Piguet died on 9th February, 1931.
July
- Otto Paul Mühle died on 9th July, 1931 in Dresden.
- Georges Edouard Piaget died on 22nd July, 1931.
September
- Jules Henri LeCoultre died on 7th September, 1931 in Le Lieu, Vaud.