Home / Standards / GB/T 14846 GB/T 14846 Active Tolerances for dimensions of extruded profiles of aluminium and aluminium alloys 铝及铝合金挤压型材尺寸偏差 Standard Type GBT ICS 77.150.10 CCS H61 Status 现行 Issue Date 2018-05-14 Implementation 2015-05-01 Responsible Dept N/A Drafting Unit N/A