304
247
- Sgj Vacuum Alumina Metallized Ceramic, Brazing Assembly, Feedthrough, Isolator, Electrodes, Connector, Break, Insulator, Filter, Electron Beam, Arc Envelope
446
272
357
315
441
452
319
396
272
252
255
473
232
254
468
221
239
255
371
253
324
325
308
332
473
495
500
394
319
425
427
473
233