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Utility model patent 2019.7.28(1)
Utility model patent 2019.7.28(2)
Appearance special certificate FS-20-2019.9.23(1)
Appearance Special Certificate FS-20-2019.9.23(2)
Appearance patent FS-18-2018.9.7(1)
Appearance patent FS-18-2018.9.7(2)
Utility model patent 2019.1.29(1)
Utility model patent 2019.1.29(2)