GB/T 40315-2021塑料采用水溶液保持湿度恒定进行状态调节和试验的小密闭容器标准
英文:Plastics—Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant...
英文:Plastics—Small enclosures for conditioning and testing using aqueous solutions to maintain the humidity at a constant...