Book (Practical) Mechanical engineering Detailed explanation : 2nd class boiler engineer past 6 times work book' 25 edition / Compex Information Laboratory
※Please note that product information is not in full comprehensive meaning because of the machine translation.
Japanese title: 単行本(実用) 機械工学 詳解 2級ボイラー技士 過去6回問題集 ’25年版 / コンデックス情報研究所