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DIN
DIN IEC 60487-2-4:1988-08
En Vigor
1988-08-01
Methods of measurement for equipment used in terrestrial radio-relay
systems; measurements for sub-systems; frequency modulators; identical
with IEC 60487-2-4, edition 1984
DIN
DIN ETS 300273:1994-10
En Vigor
1994-10-01
Network Aspects (NA) - Metropolitan Area Network (MAN) - Medium Access
Control (MAC) layer management; English version ETS 300273:1994
DIN
DIN ETS 300921:2001-06
En Vigor
2001-06-01
Digital cellular telecommunications system (Phase 2+) - Service
accessibility (Endorsement of the English version ETS 300921:1997-04 as
German standard) / Note: Endorsement notice
DIN
DIN EN 18191:2025-06
En Vigor
2025-06-01
Industrial valves - Additional requirements for metallic valves for
hydrogen application; German and English version prEN 18191:2025 / Note:
Date of issue 2025-05-09
