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Subject
- Bendix Corporation170
- Spectrometer industry169
- Mass spectrometry168
- Scientific apparatus and instruments167
- Time-of-flight mass spectrometry146
- Mass spectrometers115
- Ion sources45
- Photoelectric multipliers17
- Gas chromatography--Instruments13
- Oscilloscopes12
- Gas chromatography11
- Consolidated Vacuum Corporation6
- Pittsburgh Conference and Exposition on Analytical Chemistry and Applied Spectroscopy6
- Employees5
- Women in advertising5
- Ionization3
- Chromatographic analysis1
- E.I. du Pont de Nemours & Company1
- Exhibitions1
- Finnigan Corporation1