leunghb 发表于 2013-12-4 10:14:27

MIL-PRF-1/689G 3 February 2012 Electron Tubes, Cathode Ray Types 5ADP1, 5ADP2, 5

MIL-PRF-1/689G
3 February 2012

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

admin 发表于 2013-12-4 10:29:59

谢谢您的分享，金币已奖励！
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