Explore Books on
sapphire

宝石商リチャード氏の謎鑑定

By あかつき 三日,辻村 七子,雪広 うたこ

Sapphire reinforced alumina matrix composites

By Martha H. Jaskowiak

Development of a Ti:Al₂O₃ laser for remote sensing of the atmosphere

By Hani Elsayed-Ali