Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 1: Plastic moulded enclosure outlines (IEC 61837-1:2012); German version EN 61837-1:2012
Edition 2012-12

Identification card systems - European Citizen Card - Part 4: Recommendations for European Citizen Card issuance, operation and use; English version CEN/TS 15480-4:2012
Edition 2012-06

Surface mounted piezoelectric devices for frequency control and selection - Standard outlines and terminal lead connections - Part 2: Ceramic enclosures (IEC 61837-2:2018 + A1:2020); German version EN IEC 61837-2:2018 + A1:2020
Edition 2021-06

Family specification - Digital integrated HC MOS circuits - Series HC/HCT/HCU; German version EN 190109:1994
Edition 1996-11

Public transport - Interoperable fare management system - Part 3: Complementary concepts to Part 1 for multi-application media (ISO/TR 24014-3:2013); English version CEN ISO/TR 24014-3:2013
Edition 2018-12