Shoe size technical specification from International Standards Organisation. It contains three conversion tables (for adults and children) which feature major shoe sizing systems (e.g., Mondopoint, United States, European, United Kingdom, China, and Japan). Each table is based on actual foot length measurement (insole) in millimeters; typical last length ranges are also included. The standard includes conversion tables for Mondopoint (USSR/Russian/Chinese/Japanese/Korean systems) using length steps of 5 mm and 7.5 mm, European Paris point system, and UK 1/3 inch system. The standard has also been adopted as Russian GOST R 57425-2017. The standard is maintained by ISO/TC 137, which also developed ISO/TS 19408:2015
ISO 10303 and different speed in the development processes, the splitting into several APs was needed. But this splitting made it difficult to ensure that APs are interoperable in overlapping areas. Main areas of harmonization are: For complex areas it is clear that more than one APs are needed to cover all major aspects: STEP programs ISO 10303 ISO 10303 is an ISO standard for the computer-interpretable representation and exchange of product manufacturing information. Its official title is: "Automation systems and integration — Product data representation and exchange". It is known informally as "STEP", which stands for "Standard for the Exchange of