MIL-E-1/984 › Complete Document History
Electron Tube, Type 6640/BL-60 (No Superseding Document)
Obsolete Revision Information: |
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CANCELLATION NOTICE 1 - ELECTRON TUBE, TYPE 6640/BL-60 - May 9, 1966
BASE - Electron Tube, Type 6640/BL-60 ( - Oct. 31, 1955 |