This standard specifies the defect terminology, classification, specifications, dimensions and tolerances, technical requirements, test methods, inspection rules and markings, packaging, transportation and storage of glass tubes and glass rods used for general lighting electric light sources. This standard applies to glass tubes and glass rods used for general lighting electric light sources.
QB/T 2514-2001 history
2013QB/T 2514-2013 Glass tube and glass rod for electric lighting source
2001QB/T 2514-2001 Glass tubes and glass stems for general lighting lamps