天壤之别：明式与清式家具的特点及区别- 专题研讨- 上海名家艺术研究协会官方网站

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U54 = GZ37 = CV378 = 53KU. Side getter. Disc getter.

u54 53ku tube nos GEC marconi Osram Cossor valve rectifier tubes amplifier u52

CEI logo on the glass, but this is geniuine GEC U52 5U4G tube. For saleNOS NIB CEI U52 tube. D getter, brown base, smooth black plate! Great sounding

CEI GEC U52 5U4G CV575 CV1071 rectifier tube, brown base, D getter, black plate

u54 53ku tube nos GEC marconi Osram Cossor valve rectifier tubes amplifier u52

U54 = GZ37 = CV378 = 53KU. Side getter. Disc getter.

u54 53ku tube nos GEC marconi Osram Cossor valve rectifier tubes amplifier u52

王世襄一生最爱的家具，都在这里了！_手机搜狐网, 57% OFF

U 54, Tube U54; Röhre U 54 ID50056, Full-Wave Vacuum Rectifi

U50 @ The Valve Museum

CEI GEC U52 5U4G CV575 CV1071 rectifier tube, brown base, D getter, black plate

jinja2/jinja2/_stringdefs.py at master · aspiers/jinja2 · GitHub

天壤之别：明式与清式家具的特点及区别- 专题研讨- 上海名家艺术研究协会官方网站