Patents and Awards
| number | 제 151971호 |
| application number | 제93-006648 |
| registration date | May/31/1994 |
| Title of invention (design) | Bolts for fixing the ceiling pipe |
| Patent (utility model) right holder |
- name : Woongdo Engineering Co., Ltd. - address : 43 Hakdong-ro 30-gil, Gangnam-gu, Seoul |
| Title of invention (design) |
- name : HAE WOONG SEO - address : 43 Hakdong-ro 30-gil, Gangnam-gu, Seoul |
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