Non-standard items of mailBroaderResistance to internationally agreed standardsPresentableAggravatesInadequacy of postal servicesYet to rateSDGMetadataDatabaseWorld problemsType(G) Very specific problemsBiological classificationN/ASubjectResearch, standards » StandardsTransportation, telecommunications » PostContent qualityUnpresentable UnpresentableLanguageEnglish1A4NU3912DOCID13139120D7NID144427Last updateOct 4, 2020
