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Subject
- 414 ПАТЕНТ
- 186 INVENTION
- 186 ИЗОБРЕТЕНИЕ
- 118 USEFUL MODEL
- 118 ПОЛЕЗНАЯ МОДЕЛЬ
- 20 551300
- 14 291900
- 12 143500
- 7 65200
- 6 530100
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Date issued
- 265 2010 - 2020
- 125 2000 - 2009
- 20 1990 - 1999
- 4 1986 - 1989