MIL-E-1/931 › Complete Document History
Electron Tube, Type 12AT7WB (Use MIL-E-1/3)
Obsolete Revision Information: |
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CANCELLATION NOTICE 1 - ELECTRON TUBE, TYPE 12AT7WB (U - July 10, 1961
BASE - Electron Tube, Type 12AT7WB - May 11, 1955 |