Digital cellular telecommunications system (Phase 2) - Unstructured Supplementary Service Data (USSD) - Stage 1 (GSM 02.90, version 4.1.1)
Edition 2001-03-01

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 10: supplementary services stage 1 - Sub-part 6 : call authorized by dispatcher (CAD) (V1.4.1)
Edition 2006-12-01

Recreational diving services - Requirements for the training of scuba instructors - Part 1: Level 1 (ISO 24802-1:2014); German version EN ISO 24802-1:2014
Edition 2014-08

Recreational diving services - Requirements for the training of recreational scuba divers - Part 1: Level 1 - Supervised diver (ISO 24801-1:2014); German version EN ISO 24801-1:2014
Edition 2014-08

Digital cellular telecommunications system (phase 2). Multiparty (MPTY) supplementary services. Stage 1 (GSM 02.84)
Edition 1996-08-01

Digital cellular telecommunications system (phase 2). Line identification supplementary services. Stage 1 (GSM 02.81)
Edition 1996-08-01

European digital cellular telecommunications system (phase 2). Closed user group (CUG) supplementary services. Stage 1 (GSM 02.85)
Edition 1996-09-01

European digital cellular telecommunications system (phase 2). Advice of charge (AoC) supplementary service. Stage 1 (GSM 02.86)
Edition 1996-08-01

European digital cellular telecommunications system (phase 2). Call barring (CB) supplementary services. Stage 1 (GSM 02.88)
Edition 1996-08-01

Building hardware - Gaskets and weatherstripping for doors, windows, shutters and curtain walling - Part 1: Performance requirements and classification; German version EN 12365-1:2003
Edition 2003-12