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                    Certificate Number: EMS 617545
                    
                        Scope: The manufacture of silver based electrical contact materials and contact components for electrical switching devices. 
电器用银基电触头材料及其组件的制造。
                
| Original Registration Date | Effective Date | Last Revision Date | Expiry Date | 
|---|---|---|---|
| 2014-11-28 | 2023-11-28 | 2023-11-27 | 2026-11-27 |