Home / Standards / GB/T 3103.4-92 GB/T 3103.4-92 Tolerances for fasteners — Threaded joints for heat-resistant applications 紧固件公差 耐热用螺纹连接副 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