ÖVE/ÖNORM EN 319522-4-1 V1.2.1:2019-04
Действует
Electronic Signatures and Infrastructures (ESI); Electronic Registered Delivery Services; -- Part 4: Bindings; Sub-part 1: Message delivery bindings (ETSI EN 319 522-4-1 V1.2.1 (2019-01)) (english version)
