MIL-E-1/775 › Complete Document History
Electron Tube, Type HD-2047 (Use MIL-S-19500/119)
Obsolete Revision Information: |
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REV A CANCELLATION 1 - ELECTRON TUBE, TYPE HD-2047 - Jan. 18, 1965
REVISION A - Electron Tube, Type HD-2047 - June 28, 1954 |