Opto-Edu (Beijing) Co., Ltd.100043Why Us (指向 公司信息, 格式不好编辑, 另起一个页面Why Us)F-1501 Wanda Plaza, No.18 Shijingshan Road, Beijing 100043, ChinaOpto-Edu (Beijing) Co., Ltd.100043Why Us (指向 公司信息, 格式不好编辑, 另起一个页面Why Us)F-1501 Wanda Plaza, No.18 Shijingshan Road, Beijing 100043, ChinaOpto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing) Co., Ltd.Opto-Edu (Beijing
--E13.1405
--Cathode Ray Tube--Electrostatic deflection
To demonstrate the deflection of cathode ray in an electric field, hence indicates that cathode ray consists of negatively charged particles (that is electron current). It is composed of : glass enveloe, grid plate, fluorescent screen, electric field plates cathode, anode, support stand.
These cookies enable core functionality such as security, verification of identity and network management. These cookies can’t be disabled.
These cookies are used to track advertising performance, consent to the sending of advertising-related user data to Google, and consent for the website to serve personalized advertising to provide more relevant services.
These cookies collect data to remember choices users make to improve and give a more personalised experience.
These cookies help us to understand how visitors interact with our website, discover errors and provide a better overall analytics.
English
Pусский
Français
Español
Portugues
Deutsch
lingua italiana
العربية
Melayu
Filipino
Монгол хэл
dansk
Bahasa indonesia
日本語
한국어
Türk dili
Tiếng Việt
svenska
Nederlands
Norsk språk
Huang Xin