Seamless inner grooved copper tube
全国有色金属标准化技术委员会(SAC/TC 243)
本标准规定了无缝内螺纹铜管的分类及标记、技术要求、试验方法、检验规则及标志、包装、运输、贮存、质量证明书和订货单（或合同）内容.
本标准适用于空调与制冷设备用无缝内螺纹铜管（以下简称“管材”）。
This standard is the original Chinese electronic standard.
After you successfully purchase, we will send the electronic version of this standard to your email address.
If you have successfully purchased, please go to the plug-in category of the store and download the free plug-in installation package.
If you need translation, please contact email: ChineseStandardsLibraryS001@gmail.com.
