黄色中文字幕在线观看_亚洲无码 视频一区_亚洲国产高清不卡_99热热久久这里只有精品166_大号注射器放屁眼里灌注红酒网站_人妻被丑老头玩到潮喷中文_精品波多野结衣无码av一区二区_婷婷丁香美女五月综合图_欧美综合亚洲天堂_女人脱了内裤让男生桶免费视频

SkypeQQFInWhatAPPOAMail
Microscope
XP
XP-400XP-400
XP-400

This microscope can be used for mine, medical and criminal investigation laboratories research and colleague teaching


This microscope can be used for mine, medical and criminal investigation laboratories research and colleague teaching.

Features

Widely used in geology, petroleum, coal, chemical, medical and other fields, as well as teaching and research in colleges.

Infinity achromatic optical system, infinity stress-free plan objective.

Adjustable nosepiece and rotatable stage.

High quality performance and functionality polarizing microscope.