LIU YONG TIAN XIE ZONG FA books & textbook
Descriptive Geometry and Mechanical Drawing(Chinese Edition)
Beijing University of Aeronautics Published Pub. D /2000-01-01 Paperback
isbn-10: 7811241617 / isbn-13: 9787811241617
Mechanical Drawing basic problem sets (2nd Edition) (second five)(Chinese Edition)
Beijing University of Aeronautics and Astronautics Press /2014-10-01 Paperback
isbn-10: 7512415893 / isbn-13: 9787512415898
