Rules for the preparation of detail specifications for lead-screw actuated preset potentiometers of assessed quality
经质量评定的丝杠驱动预调电位器详细规范的编制规则
1973-10-15
BS CECC 41100-1978
Harmonized system of quality assessment for electronic components: sectional specification: lead screw actuated and rotary preset potentiometers
电子元件质量评定协调体系:分规范:丝杠驱动和旋转预调电位器