leunghb 发表于 2013-11-24 13:25:00

MIL-E-1/422G 10 March 1976 Electron Tube, Cathode Ray Types 7YP1, 7YP2, and 7YP7

MIL-E-1/422G
10 March 1976

Electron Tube, Cathode Ray Types 7YP1, 7YP2, and 7YP7

admin 发表于 2013-11-24 16:19:28

谢谢您的分享，金币已奖励！
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