(subclass IsoCode StandardIdentifier) | Media.kif 2934-2934 | IsoCode 是 StandardIdentifier 的 subclass |
(subclass TerritoryCode IsoCode) | Media.kif 2921-2921 | TerritoryCode 是 IsoCode 的 subclass |
(subclass IsoLanguageCode IsoCode) | Media.kif 2936-2936 | IsoLanguageCode 是 IsoCode 的 subclass |