PLATO by ILLINOIS TOOL WORKS INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021 Filing date: 09-Oct-1961 Serial number: 72129540
PLATO by ILLINOIS TOOL WORKS INC. (Track this)
Intl: (009) Electrical and scientific apparatus US: 021 Filing date: 09-Oct-1961 Serial number: 72129540