leunghb 发表于 2013-12-4 09:07:21

MIL-E-1/689E NOTICE 1 1 June 1989 Electron Tubes, Cathode Ray Types 5ADP1, 5ADP2

MIL-E-1/689E
NOTICE 1
1 June 1989

Electron Tubes, Cathode Ray Types 5ADP1, 5ADP2, 5ADP7, and 5ADP14

admin 发表于 2013-12-4 10:30:07

谢谢您的分享,金币已奖励!
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