Home/ELECTRON TUBES/Electron tubes/Electron tube GU-13 (ГУ-13) = FU-13 = 813Electron tube GU-13 (ГУ-13) = FU-13 = 813(images are for illustrative purposes only)product ID1000726ManufacturerSvetlana, St. Petersburg, RU41.65 $Priceavailable pc Add to cart(recycling fee is counted in the price)