移动式空调系统中使用的纯度标准

[中文适用范围]： 此信息适用于用于维修汽车、轻型卡车和其他具有类似 CFC-12 (R-12) 系统的车辆的制冷剂。本文件不涵盖用于冷藏货物的移动车辆上使用的具有密封刚性管道的系统。 [外文原描述]： This information applies to refrigerant used to service automobiles, light trucks, and other vehicles with similar CFC-12 (R-12) systems. Systems used on mobile vehicles for refrigerated cargo that have hermetically sealed, rigid pipe, are not covered in this document.Cross Reference: 49 CFR 571.121,J1609_201410