Chinese Standard: GB/T 21297-2007

Laboratory glassware—Interchangeable conical ground joint

IDT  ISO 383:1976

全国玻璃仪器标准化技术委员会(SAC/TC 178)

本标准规定了实验室应用的四种系列互换锥形磨砂接头的基本尺寸、技术要求、试验方法、检验规则、标志、包装、运输和贮存。
本标准适用于玻璃仪器互换锥形磨砂接头，也适用于互换锥形透明接头。

This standard is the original Chinese electronic standard.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
After you successfully purchase, we will send the electronic version of this standard to your email address