DIN / ISO
Standardisation promotes that which unifies, the common ground. It can reduce a waste of resources and duplication of work, coordinate production and remove technical obstacles that prevent development and trade.
The ISO (International Organization for Standardisation) is an independent and international network of standardisation organisations. Today, the ISO has 157 members and is represented in Germany by DIN.
The DIN is the German standards committee founded in 1917 under the name of Normenausschuss der Deutschen Industrie (NADI). Its purpose was to formulate standards for German industry (die Deutschen Industrie-Normen). The first standard was issued in 1918 for DIN 1 Kegelstifte, a metal pin used in industry. Nowadays, there are tens of thousands of DIN standards, all named DIN followed by a number indicating their order in the standards. NADI changed name in 1975 to DIN, Deutsches Institut für Normung, and was appointed as the only national standards committee in Germany.
The German A format standard DIN 476 was used in so many countries that by 1975 it was made an international ISO standard, ISO 216.