2021DIN EN ISO 4373 E:2021 Draft Document - Hydrometry - Water level measuring devices (ISO/DIS 4373:2021); German and English version prEN ISO 4373:2021
2009DIN EN ISO 4373:2009 Hydrometry - Water level measuring devices (ISO 4373:2008); English version of DIN EN ISO 4373:2009-01