DIN EN 301843-4 (2016-09)現行
Electromagnetic Compatibility (emc) Standard For Marine Radio Equipment And Services - Harmonised Standard Covering The Essential Requirements Of Article 3.1b Of The Directive 2014/53/eu - Part 4: Specific Conditions For Narrow-band Direct-printing (nbdp) Navtex Receivers (endorsement Of The English Version En 301 843-4 V2.1.1 (2016-03) As German Standard)
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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