Q: why are you calling this a germicidal lamp when it is only 395nm?
尋ねた Polymorph に 2020-04-30 11:31:37
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GuyMassicotte totally false de disinfection effect is from 185nm to 275nm best is 222nm ou 254nm
2020-05-23 08:19:53 役に立つ (2)