History of changes

Rospatent announced Top 100 inventions of the year

03.07.2019 13:07:46

03.07.2019 13:05:16

03.07.2019 13:03:03

03.07.2019 12:49:40

26.06.2019 23:40:50

26.06.2019 19:46:11

21.06.2019 12:10:55

21.06.2019 12:09:37