DIN 18302 [Withdrawn] referenced in following documents:

Document number Edition Title
DIN 2001-1 2019-01 Drinking water supply from small units and non stationary plants - Part 1: Small units - Guidelines for requirements for drinking water, planning, construction, operation and maintenance of plants More 
DVGW W 135 2018-12 Renovation and Abandonment of Wells, Monitoring-Wells and Boreholes More 
FGSV 367 ; ZTV FRS:2017 2017 Zusätzliche Technische Vertragsbedingungen und Richtlinien für Fahrzeug-Rückhaltesysteme (ZTV FRS) More