leunghb 发表于 2013-12-8 11:07:26

MIL-E-1/776D 1 October 1982 Electron Tube, Power Type 4D21

MIL-E-1/776D
1 October 1982

Electron Tube, Power Type 4D21

admin 发表于 2013-12-9 11:38:27

谢谢您的分享，金币已奖励！
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