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                    Certificate Number: OHS 778104
                    
                        Scope: The design and manufacture of antennas used in the telecommunication industry. 
通讯行业用天线的设计和生产。
                
| Original Registration Date | Effective Date | Last Revision Date | Expiry Date | 
|---|---|---|---|
| 2020-01-18 | 2023-01-18 | 2022-11-24 | 2026-01-17 |