にっぽんきどるいがっかい 日本希土類学会 LinksSentence search for 日本希土類学会Sentence search for にっぽんきどるいがっかいKanji details for 日, 本, 希, 土, 類, 学 and 会Edit in JMdict Noun1. Rare Earth Society of JapanOrganization nameOrganization2. Rare Earth Society of Japan Discussions Log in to talk about this word.