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1. Chinese Patent ZL 2005 80008541.8

2. Chinese Patent ZL 2010 3 0565036.7

3. US Patent 5934218

4. Chinese Patent ZL 200780020909.1

5. Chinese Patent ZL 201120483702.1

6. Chinese Invention Patent ZL200480041380.8

7. Chinese Patent ZL 200680005462.6

8. Chinese Patent ZL 201180062608.1

9. Chinese Patent ZL 200680040711.5

10. US Patent 8,608,692 B2

11. Chinese Patent ZL 201180035169.5

12. Chinese Patent ZL 201280045472.8

13. US Patent 9,871,896

14. Chinese Patent ZL 200680055861.3

15. Chinese Patent ZL 201080056120.3

16. Chinese Patent ZL 2016106944561

17. Chinese Patent ZL 2013800150568

18. Chinese Patent ZL 2016800521595

19. Chinese Patent ZL 2014800341292

20. Chinese Patent ZL 201480033811X

21. HK Standard Patent no. 1100058 B

22. Chinese Invention Patent Application no. 201480053500X

23. Chinese Invention Patent No. ZL 2012800716222

24. Chinese Invention Patent No. ZL 201480026012X

25. Chinese Invention Patent No. ZL 2018800342946

26. Chinese Invention Patent Application No. 2019800896320

27. Chinese Invention Patent Application No. 2016800598953

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