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                        | (84) | Designated Contracting States: |  
                        |  | AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
                           NO PL PT RO RS SE SI SK SM TR |  
                        |  | Designated Extension States: |  
                        |  | BA ME |  
                        |  | Designated Validation States: |  
                        |  | KH MA MD TN |  
 
                     
                        | (71) | Applicant: Huawei Technologies Co., Ltd. |  
                        |  | Shenzhen, Guangdong 518129 (CN) |  
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                        | (72) | Inventors: |  
                        |  | 
                              EZRI, Doron80992 Munich (DE)
WEITZMAN, Avi80992 Munich (DE)
KOBZANTSEV, Alexander80992 Munich (DE)
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                        | (74) | Representative: Thun, Clemens |  
                        |  | Mitscherlich PartmbB 
                           Patent- und Rechtsanwälte 
                           Sonnenstraße 33 80331 München
 80331 München (DE)
 |  
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