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hot-cathode tube
el. tube à décharge incandescente
med. tube à cathode incandescente; ampoule à cathode incandescente; tube Coolidge; tube de Coolidge
nucl.phys., радиоакт. tube radiogène, de Coolidge
радиоакт. tube radiogène à cathode incandescente
hot-cathode tube: 4 phrases in 3 subjects
Antennas and waveguides1
Electronics2
Natural resourses and wildlife conservation1