BS QC 410203-1992
电子元器件质量评估协调体系规.电子设备用电位器.空白详细规范:单匝旋转功率电位计.评估等级E
Specification for harmonized system of quality assessment for electronic components - Potentiometers for use in electronic equipment - Blank detail specification: single-turn rotary power potentiometers - Assessment level E