日本不卡一区二区三区,男人边吃奶边揉好爽免费视频,别揉我奶头~嗯~啊~动漫网站,抽搐一进一出gif日本

Wel come to Hangzhou JingKe Instrument Co., Ltd.

Add to Favorites | 中文版 | English

Product

Product name:FB760-9 and FB760 I type hydrogen atom Balmer spectral measruing instrument

Product Details

Experimental contents
☆To measure grating constant of unkown grating.
☆To observe spectral line of mercury lamp, and measure wave length.
☆To measure wave length by experiment.
Instrument and specification
☆ GY9A hydrogen lamp and power supply;spectral wavelength: 410.2nm, 434.0nm, 486.1nm, 656.3nm.

Order

Respected customers:
Thank you for browsing our website, please fill in following information, (* is required), and it will be sent via E-mail, we will contact you, thank you!

Your name: *
Company name: *
Address:
Post code:
Country:
Tel: *
Fax:
E-mail: *
Website:
Details: *
verification code:
   
Previous one: FB760-8 type and FB760 H type ultrasonic grating testers 】 【 Next:FB835 and FB835A type light distribution testers 】      【Return】
主站蜘蛛池模板: 习水县| 昭通市| 青田县| 宁陵县| 明水县| 中方县| 申扎县| 通道| 罗定市| 汽车| 蛟河市| 邹城市| 福泉市| 大埔区| 太保市| 滁州市| 广丰县| 宜城市| 南充市| 邻水| 嘉峪关市| 徐水县| 枣强县| 五台县| 望都县| 铜川市| 扶风县| 遂平县| 新乡县| 德州市| 普宁市| 孝感市| 临安市| 古交市| 祁连县| 清新县| 永吉县| 隆德县| 贞丰县| 通许县| 大洼县|