{"category":"invention","date":{"calendar":null,"day":22,"day_url":"https://kogda.com/22-oktyabrya","month":10,"text":"22 октября 1938 года","year":1938,"year_url":"https://kogda.com/1938"},"id":158447,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[{"name":"Честер Карлсон","slug":"chester-karlson","url":"https://kogda.com/p/chester-karlson"}],"places":[],"related":[],"slug":"amerikanskij-izobretatel-chester-karlson-prodemonstriroval-1938","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/22_октября"},"summary":null,"text":"","title":"Американский изобретатель Честер Карлсон продемонстрировал свой аппарат для получения копий бумажных документов","url":"https://kogda.com/e/amerikanskij-izobretatel-chester-karlson-prodemonstriroval-1938","weight":29}