🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTiếng ViệtРусскийالعربيةहिन्दी中文EntityQ911551· pop 28spectrographREDIRECT Optical spectrometerArticleREDIRECT Optical spectrometerAvailable in 28 languagesFrançaisDeutsch中文РусскийPortuguêsItalianoالعربيةहिन्दीBahasa IndonesiaBelarusianCatalanConnectionsoptical spectrometerEntity