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VIOLACEIN BASED ANTIVIRUS FILTER AND MASK INCLUDING VIOLACEIN EMBEDDED FILTER

Il-Doo Kim, Jiyoung Lee, Jaehyeong Bae, Won tae Hwang, Hwan soo Kim.


KR patent, 2020-10-23_10-2020-0137962/2022-09-02_10-2441155 (Patent registration)