石せき油ゆ鉱こう業ぎょう連れん盟めいMeaningsNoun1. Japan Petroleum Development AssociationKanji used石stone油oil鉱ore業business連take along盟allyComposed of石せき油ゆoil; petroleumNoun鉱こう業ぎょうmining industryNoun連れん盟めいleague; federation; unionNoun