Qing gong ye huan jing zhi liang gai kuang
Edition: Di 1 ban edition
Publisher: Xin hua shu dian zong dian ke ji fa xing suo fa xing
Published: 1992
Language: cmn
Format: Unknown Binding
Number of pages: 252
ISBN-13: 9787800931680
Subjects: China; Factory and trade waste; Environmental aspects