李東光

Overview

Works:	4 works in 1 publications in 1 languages

Titles

廢舊金屬、電池、催化劑回收利用實例 / by: 李東光 (Language materials, printed)

工業清洗劑配方與制備 / by: 李東光 (Language materials, printed)

150種金屬切削液配方與製作 / by: 李東光 (Language materials, printed)

Subjects