DIN 30728-4:1983-08 Graphical symbols for communal purposes; vehicles for cleaning of pits and sewers

标准编号：DIN 30728-4:1983-08

英文标题：Graphical symbols for communal purposes; vehicles for cleaning of pits and sewers

德文标题：Graphische Symbole für die Kommunale Technik; Gruben- und Kanalreinigungsfahrzeuge

发布日期：1983-08

标准预览图