Model：GT20B-SM
| File Name | Date of Update |
|---|---|
| GT20B-SM DECLARATION OF CONFORMITY (394KB) | 04/01/2026 |
| Version | Updated contents | Updated on |
|---|---|---|
| 7th Edition | --- | Apr. 1, 2026 |
| 6th Edition | --- | Sept. 28,2022 |
| 5rd Edition | --- | Nov. 30, 2021 |
| 4nd Edition | --- | July. 24, 2019 |
| 3st Edition | --- | Mar. 15, 2017 |
| 2st Edition | --- | May. 20, 2016 |
| 1st Edition | --- | June. 29, 2015 |
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