Home / Standards / GB/T 235-1999 GB/T 235-1999 Metallic materials — Sheet and strip 3 mm thick or less — Reverse bend test method 金属材料 厚度等于或小于3mm薄板和薄带 反复弯曲试验方法 Standard Type GBT ICS N/A CCS N/A Status N/A Issue Date N/A Implementation N/A Responsible Dept N/A Drafting Unit N/A