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  1. 1
    Bi ye she ji zhong jing ji bu fen she ji yuan li he fang fa
    Bi ye she ji zhong jing ji bu fen she ji yuan li he fang fa
    畢業設計中經济部分設計原理和方法
    by Wang, Zhanyuan
    Published 1958

    Book
  2. 2
    Ri yong hua gong li hua shu ju shou ce : he cheng xi di ji, lin suan yan ji qi ta zhu ji /
    Ri yong hua gong li hua shu ju shou ce : he cheng xi di ji, lin suan yan ji qi ta zhu ji /
    日用化工理化数据手册 : 合成洗涤剂, 磷酸盐及其他助剂 /
    Published 1981

    Book
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