GB/T 21098-2007 Lamp caps and holders together with gauges for the control of safety and interchangeability.Part 4:Guidelines and general information (English Version)
This standard stipulates the IEC principles on the standardization of lamp caps/lamp holders of the same type, and provides guidelines for the rational implementation of standardization of new lamp caps/lamp holders of the same type.
GB/T 21098-2007 history
2022GB/T 21098-2022 Lamp caps and holders together with gauges for the control of interchangeability and safety—Part 4: Guidelines and general information
2007GB/T 21098-2007 Lamp caps and holders together with gauges for the control of safety and interchangeability.Part 4:Guidelines and general information