Model：CH-B4-17
| File Name | Date of Update |
|---|---|
| CH-B4-17, CH-B4-18 DECLARATION OF CONFORMITY (411KB) | 04/01/2026 |
| Version | Updated contents | Updated on |
|---|---|---|
| 5rd Edition | --- | Apr. 1, 2026 |
| 4rd Edition | --- | Mar. 9, 2023 |
| 3nd Edition | --- | Nov. 18, 2021 |
| 2st Edition | --- | Sept. 19, 2019 |
| 1st Edition | --- | July. 17, 2018 |
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