Home / Standards / GB 5237.4-2008 GB 5237.4-2008 Wrought aluminium alloy extruded profiles for architecture — Part 4: Powder coating profiles 铝合金建筑型材 第4部分:粉末喷涂型材 Standard Type GB ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A