节约能源加快建设 Jieyue nengyuan jiakuai jianshe Designer Wang Yaonan (王耀南) Date 1981 Publisher Kexue puji chubanshe (科学普及出版社) Size 77x53 cm. Call nr. BG E37/663 Collection Landsberger collection Notes From series Energy conservancy science popularization wall charts (节能科普挂图), published in 1981. The aim is to reduce energy consumption by 20 mn tonnes of coal in the period 1980-1985. Theme Environment