Isbn: 9787887094407 - exterior triangular thread. trapezoid thread (1vcd)(chinese edition) (1 risultati)

paperback. Condizione: New. Language:Chinese.Paperback. Publisher: Machinery Pub. Date :2010-01-30 This comprehensive kit is based on national occupational standards in order to develop dual-card system for the skilled direction of compound prepared. Materials integration process theory. skills training. safety procedures. exercises. operational demo CD as a whole. through the free combination of different modules. satisfy different regions of the country. different professional teaching and learning specific needs. The.…