孫立群

Overview

Works:	2 works in 0 publications in 0 languages

Titles

空調器維修從入門到精通 / by: 孫立群; 趙洪雲 (Language materials, printed)

新型空調器故障分析與維修項目教程 by: 孫立群; 賀學金 (Language materials, printed)

Subjects