| Original language | Chinese |
|---|---|
| Patent number | 1642457 |
| Publication status | Published - 2018 Dec 1 |
Cite this
Chen, T-M. (2018). 可變速逃生緩降設備及變速機構. (Patent No. 1642457).
| Original language | Chinese |
|---|---|
| Patent number | 1642457 |
| Publication status | Published - 2018 Dec 1 |