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Hewlett Packard Testing Station, Oscilloscope, O-Scope, 15 October 1982, 1980s, TECV01P07_19O-scope, Oscilloscope, Chinese Students Building Model Airplanes, July 1973, 1970s, TAMV01P01_01
Hewlett Packard Testing Station, Oscilloscope, O-Scope, 15 October 1982, 1980s, TECV01P07_19O-scope, Oscilloscope, Chinese Students Building Model Airplanes, July 1973, 1970s, TAMV01P01_01
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