消灭有形损失 Xiaomie youxing sunshi 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 E37/650 Collection Landsberger collection Notes From series Energy conservancy science popularization wall charts (节能科普挂图), published in 1981. Theme Environment Tags China poster Chinese propaganda 1981 education chart faucet flaring leaking moon steam industrial plant