Certificate of patent | Certification Date | Certification No. |
---|---|---|
Manufacturing and construction method of reinforcing members for the corners of structures | 2010. 09. 13 | No. 10-0983159 |
A heating system of cargoes for ships | 2014. 04. 02 | No. 10-1383065 |
A solid material crusher | 2019. 12. 06 | No. 10-2055449 |
Measuring equipment for refractory materials for converters | 2021. 11. 09 | No. 10-2326292 |
A lifting device and a coil transfer car including the same | 2021. 11. 09 | No. 10-2326295 |