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CHINESE
Introduction to PKUGAC
Brief Introduction
Qualification
Apparatus
Introduction to Experts
Cui Wenyuan
Yang Fuxu
Wang Shiqi
Yu Fang
Wang Changqiu
Xia Songyao
Scientific Research Achievements
Monograph
Textbook
Paper
Identification Items
Identification Items
Identification Standards
Service Targets
Bulletin and News Dynamics
Bulletins
News Dynamics
Jewelry Appreciation
Basic Knowledge of Jewelry
Diamond
Gemstone
Jade
Ornamental Stones
Inkstone
History Allusions
Certificate Inquiry
Certificate Types
Certificate Inquiry
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