leunghb 发表于 2013-12-8 06:37:37

MIL-E-1/757J NOTICE 2 7 March 1997 Electron Tube, Thyratron Type 5643

MIL-E-1/757J
NOTICE 2
7 March 1997

Electron Tube, Thyratron Type 5643

admin 发表于 2013-12-9 11:33:54

谢谢您的分享，金币已奖励！
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