日本にほん国こく有ゆう鉄てつ道どうにほんこくゆうてつどうじ字FuriganaMeanings1nounJapanese National Railwayshistorical termHistorical term for the state-owned railway company that operated from 1949 until its privatization in 1987, when it was split into the JR Group.日本にほん国こく有ゆう鉄てつ道どうは1987年ねんに分ぶん割かつ民みん営えい化
