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Glass agencies erose are manufacturer of cathode ray tube . Glass agencies erose are manufacturer and exporter of all type of medical, laboratory, ophthalmic and optometric instruments. more...
The cathode ray tube (CRT) is a vacuum tube containing one or more electron. A cathode ray tube can be defined as a phosphor-coated glass tube from which the air has been removed. It contains two electrodes, a cathode which is the negative electrode, and an anode which is the positive electrode. When a hig more...