[Inovasi besar-besaran Jepun 2021] Lembaran Soundproof Generasi Seterusnya "Eko Barrier H9" - Itochu TC Construction Machine Corporation
Itochu TC Construction Corporation Corporation dipamerkan lembaran kalis bunyi generasi akan datang “Eko Barrier H9” di inovasi besar-besaran Jepun 2021.
laman web:https://www.icm.co.jp/