- Vendedor de confianza GC MS Agilent 7890B -5977A GCMS- Fabricante: Agilent - Keysight
- Modelo: 5977A Series
 Kansas, USA
- Agilent 5977A 7890B FID GCMS System with MassHunter, Pump, 7k total Runs- Fabricante: Agilent - Keysight
- Modelo: 5977A Series
 - Chromatography technique: Gas Chromatography (GC) | Mpn: 7890B $48,950 USDSalt Lake City, Utah

