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close-up of a triode
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Format
JPG 300 DPI
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Author:
dreamstime
License:
buy for Personal Use & Commercial
File Type:
JPG
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times
Comprar
2019
amplifier
ancient
anode
audio
broadcasting
bulb
cathode
circuit
component
design
device
diode
electric
electrical
electricity
electron
electronic
electronics
energy
engineering
equipment
glass
glowing
history
industrial
industry
lamp
metal
obsolete
old
pentode
power
radio
retro
romania
science
switch
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television
timisoara
transistor
triode
tube
tubes
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