Draft Document - Petrol filling stations - Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers; German and English version prEN 13617-4:2018
文件草案.加油站.第4部分:计量泵和加油机用转环的结构和性能的安全要求;德文和英文版本prEN 13617-4:2018