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              Invention patent

            1. Invention patent
            2. Utility model patent
            3. Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention patent
              Invention 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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