邮政业务用机场代码
Codification of airports for postal services
2000-05-29
DIN EN 17837-DRAFT
Draft Document - Postal Services - Parcel Delivery Environmental Footprint - Methodology for calculation and declaration of GHG emissions and air pollutants of parcel logistics delivery services; German and English version prEN 17837:2022
文件草案——邮政服务——包裹递送环境足迹——包裹物流递送服务温室气体排放和空气污染物的计算和申报方法；德语和英语版本prEN 17837:2022