BS CECC 41400-1980
Harmonized system of quality assessment for electronic components: sectional specification: rotary precision potentiometers
电子元件质量评定协调体系:分规范:旋转精密电位器
1980-02-29
DIN 45922-14
Harmonized system of quality assessment for electronic components; sectional specification: rotary precision potentiometers
电子元件质量评定协调体系；分规范:旋转精密电位器
1983-12-01
DIN 45922-141
Harmonized system of quality assessment for electronic components; blank detail specification: rotary precision potentiometers (assessment level S)
电子元件质量评定协调体系；空白详细规范:旋转精密电位器（评定等级S）
1979-12-01
BS CECC 41401-1979
Specification for harmonized system of quality assessment for electronic conponents. Blank detail specification: rotary precision potentiometers (assessment level S)
电子元件质量评定协调体系规范 空白详细规范:旋转精密电位器（评定等级S）
1979-12-15
BS QC 410402-1992
Specification for harmonized system of quality assessment for electronic components. Potentiometers for use in electronic equipment. Blank detail specification: rotary precision potentiometers. Assessment level E
电子元件质量评定协调体系规范 电子设备用电位计 空白详细规范:旋转精密电位器 E级评估
1992-08-15