Scratch with spring
KALÍŠEK, J., KUNC, P. & KNÍŽEK, J. Drbadlo s pružinou. 2011. Užitný vzor, CZ 22962 U1, Úřad průmyslového vlastnictví.{INTLINK}
Year | 2011 |
Cathegory | Utility patent, prototype, legal regulation, tecchnolgy |
Internal link | 11146.pdf |
Abstract | Invention concerning pasive scratch of small farm animals. Invention have to do with passive scratch especially for livestock. |
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