This International Standard specifies a method using microscopy to identify leather and distinguish it fromother materials. The method is not applicable for identifying specific leathers (e.g. sheep leather).
EN ISO 17131:2012 Referenced Document
EN 15987 Digital Enhanced Cordless Telecommunications (DECT); Common Interface (CI); Part 5: Network (NWK) layer (Endorsed by AENOR in July of 2003.)*， 2022-10-26 Update
EN ISO 17131:2012 history
2020EN ISO 17131:2020 Leather - Identification of leather with microscopy (ISO 17131:2020)
2012EN ISO 17131:2012 Leather - Identification of leather with microscopy