432
236
485
368
247
410
442
320
292
489
420
442
448
292
393
489
490
425
478
378
315
399
249
458
392
283
319
244
499
419
468
214
- Sgj Vacuum Alumina Metallized Ceramic, Brazing Assembly, Feedthrough, Isolator, Electrodes, Connector, Break, Insulator, Filter, Electron Beam, Arc Envelope
341
223
227