Philips h lamp energy-saving four-pin lamp long strip home 55w three-color fluorescent fluorescent tube h-shaped tube $1.50 - $4.50 Min. order: 2 acres Philips table lamp tube 2 pin 4 pin eye fluorescent lamp two four needle energy saving cannula H tube 10/13/18/26W $20.00 Min. order...
Philips Pinying 3.5W 4.5W 6.5W 10W 12W LED downlight ultra-thin embedded Sky Lantern household 5.5W hole ceiling corridor light $4.50-11.00 See product details Helpful (0) R R***i Sep 11, 2024 Lamp Power(W):5.5W opening 70-75MM ...
The calculator display uses vacuum fluorescent display (VFD) tubes, developed as a lower-cost alternative to Nixie tubes to avoid paying patent royalties to Burroughs. Nixie tubes are similar to neon bulbs; there are 10 cathodes, each shaped like a digit, and applying 170 volts to a cathode ...