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- 12 INVENTION
- 12 PATENT
- 11 ИЗОБРЕТЕНИЕ
- 11 ПАТЕНТ
- 8 550000
- 3 B65G 11/08
- 2 B25J 11/00
- 2 B65G 43/08
- 2 E02F 3/18
- 2 E21D 9/04
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