Geometrical product specifications (GPS) - Filtration - Part 41: Morphological profile filters: Disk and horizontal line-segment filters (ISO 16610-41:2015); German version EN ISO 16610-41:2015
Edition 2015-12

Terrestrial Trunked Radio (TETRA) - Voice plus Data (V+D) - Part 4: Gateways basic operation; Sub-part 1: Public Switched Telephone Network (PSTN) (Endorsement of the English version ETS 300392-4-1:1999 as German standard)
Edition 1999-12

Terrestrial Trunked Radio (TETRA) - Conformance testing specification - Part 4: Protocol testing specification for Direct Mode Operation (DMO); Sub-part 4-1: Test Suite Structure and test Purposes (TSS&TP) for Mobile Station to Mobile Station (MS-MS) Air Interface (AI) (Endorsement of the English version ETS 300394-4-1:1999 as German standard)
Edition 2000-05

Electricity Metering Equipment (DC) - Particular Requirements - Part 41: Static meters for direct current energy (classes 0,2, 0,5 and 1) (IEC 13/1592/CD:2014)
Edition 2015-05

Electrical energy storage (EES) systems - Part 4-1: Guidance on environmental issues - General specification (IEC TS 62933-4-1:2017)
Edition 2019-10

Indoor air - Part 41: Assessment and classification (ISO 16000-41:2023)
Edition 2024-08

Emergency and danger systems - Part 41: Requirements for specialist companies of hold-up and burglar alarm systems
Edition 2024-06

Alarm systems for fire, intrusion and hold-up - Part 4-1: Active loudspeakers
Edition 2018-12

Vented nickel-cadmium storage batteries - Part 41: Fill-in containers, detail standard; Text in German and English
Edition 2016-12

Electromagnetic relays - Monostable heavy load relays - Part 41: 200 A, for system voltage of DC 24 V, halogen free, detail standard; Text in German and English
Edition 2024-06