DIN 3280-1 - DRAFT
DIN 3280-1 - DRAFT Draft Document - Valves for domestic water supply PN 10 - Metallic tapered unions - Part 1: Design
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2014
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2014