DIN EN 13617-4-2021 加油站. 第4部分: 计量泵和配油器用转环的建造和性能的安全要求; 德文版本EN 13617-4-2021
Petrol filling stations - Part 4: Safety requirements for construction and performance of swivels for use on metering pumps and dispensers; German version EN 13617-4:2021
This document specifies safety requirements for the construction and performance of swivels to be fitted to delivery hose assemblies on metering pumps and dispensers installed at filling stations and used to dispense liquid fuels and aqueous urea solution into the tanks of motor