This standard applies to electrothermal equipment with one or more electron guns (hereinafter referred to as electron beam electrothermal equipment).
GB/T 7406-1987 history
2009GB/T 10066.7-2009 Test methods for electroheat installations.Part 7:Electroheating installation with electron guns
2004GB/T 10066.7-2004 Test methods for electroheat installations Part 7:Electroheat installations with electron guns
1987GB/T 7406-1987 Test methods for electroheating installations with election guns
GB/T 7406-1987 Test methods for electroheating installations with election guns was changed to GB/T 10066.7-2004 Test methods for electroheat installations Part 7:Electroheat installations with electron guns.