Home / Standards / GB/T 3103.4-2014 GB/T 3103.4-2014 Active Tolerances for fasteners―Bolt/nut assemblies for service temperatures from -200℃~+700℃ 紧固件公差 -200℃~+700℃使用的螺栓-螺母连接副 Standard Type GBT ICS 21.060.10 CCS J13 Status 现行 Issue Date 2014-06-24 Implementation 2015-03-01 Responsible Dept 中国机械工业联合会 Drafting Unit 中国机械工业联合会