File:Режим возврата тетрод, пентод.PNG
Jump to navigation
Jump to search
Size of this preview: 513 × 599 pixels. Other resolutions: 205 × 240 pixels | 411 × 480 pixels | 654 × 764 pixels.
Original file (654 × 764 pixels, file size: 28 KB, MIME type: image/png)