Lingua: Cinese
Editore: Tongji University Press; No. 3 (July 1. 2009), 1991
ISBN 10: 7560840191 ISBN 13: 9787560840192
Da: ReadCNBook, Nanjing, JS, Cina
EUR 51,75
Quantità: 1 disponibili
Aggiungi al carrellopaperback. Condizione: New. Paperback. Pages Number: 286 Language: Chinese. Publisher: Tongji University Press; No. 3 (July 1. 2009). gem Introduction (3rd edition) is set ten years of gemological research and teaching experience. combined with the advanced teaching materials abroad gemology gem industry and domestic long-term results and experience gained from writing. The book describes a comprehensive system based on knowledge of gemology. the basic characteristics of various precious stones. true and false identific.