Svetlana 6E15P high voltage tetrode tubes lot of 4

Svetlana 6E15P high voltage tetrode tubes lot of 4

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Item for returning must have the original tags and packing, otherwise it won't be accepted.
Svetlana 6E15P High Voltage Tetrode Tubes Lot of 4
Application: electronic voltage regulator
Cathode type: oxide,indirect heating
I WILL COMBINE MULTIPLE WINS TO SAVE ON
Guarantee of qualitative packing