GENESYS 40 Visible Spectrophotometer pada tanggal November 21, 2023 genesys 40 double beam spectrophotometer +3 genesys 40 uv-vis spectrophotometer genesys uv-vis spectrophotometer jual uv-vis spectrophotometer thermo 40 uv-vis spectrophotometer genesys 40 double beam spectrophotometer genesys 40 uv-vis spectrophotometer genesys uv-vis spectrophotometer jual uv-vis spectrophotometer thermo 40 uv-vis spectrophotometer