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              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
              Utility model patent
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