国内外珠宝检测仪器概况珠宝检测工具从世界范围来讲．其发展大至可分为三个阶段，上个世纪以前，珠宝检测鉴定主要靠经验，除了借助一些简单仪器如放大镜之类，主要靠鉴定人的感觉，甚至还带点巫术，这个时期，发达地区在西欧和南欧。上个世纪后期至本世纪三十年代，为了... Jewelry testing equipment at home and abroad Overview Jewelry testing tools from around the world. Its development can be divided into three stages, before the last century, jewelry testing and appraisal rely mainly on experience, with the help of some simple instruments such as magnifying glass and the like, mainly by the identification of people’s feelings, and even a little witchcraft, this period, developed Regions in Western and Southern Europe. The late last century to the thirties of this century, in order to ...