Copper - Seamless tubes for air-conditioning and refrigeration
空调和制冷用无缝铜管
发布日期:
2020-06-26
本文件规定了空调和制冷用圆形无缝铜管的要求,该铜管由含磷量高的磷脱氧铜制成。
This document specifies the requirements for round, seamless copper tubes, manufactured from phosphorus-deoxidized copper containing high residual phosphorus and intended for use in air-conditioning and refrigeration.