{"category":"invention","date":{"calendar":null,"day":18,"day_url":"https://kogda.com/18-marta","month":3,"text":"18 марта 1813 года","year":1813,"year_url":"https://kogda.com/1813"},"id":124371,"kind":"event","library":[],"license":"Тексты: Русская Википедия, CC BY-SA 4.0. Люди и места: Wikidata, CC0.","mentions":[],"people":[],"places":[],"related":[],"slug":"v-ssha-patentuetsya-apparat-dlya-proizvodstva-ugolnogo-gaza-1813","source":{"license":"CC BY-SA 4.0","name":"Русская Википедия","url":"https://ru.wikipedia.org/wiki/18_марта"},"summary":null,"text":"","title":"В США патентуется аппарат для производства угольного газа","url":"https://kogda.com/e/v-ssha-patentuetsya-apparat-dlya-proizvodstva-ugolnogo-gaza-1813","weight":17}