设备用电避峰填谷，提高电网负荷率 Shebei yong dian bi feng tian gu, tigao dianwang fuhelu Designer Designer unknown (佚名) Date early 1970s Publisher Guangdong Provincial Revolutionary Committee Third Electricity Office (广东省革命委员会三电办公室) Size 53x19 cm. Call nr. BG D25/280 Collection Landsberger collection Tags China poster Chinese propaganda electricity worker wall poster machinery clock window moon
