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2015-12-27T15:25:28+05:30
The whish work on the principle are tube ligths, neon bulb, surge protectors and alarm systems.
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2015-12-28T13:27:02+05:30
A gas-filled tube, also known as a discharge tube, is an arrangement of electrodes in a gas ... Both hot cathode and cold cathode type devices are encountered. ... 3 Lighting and display gas-filled tubes; 4 Gas-filled tubes in electronics

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