Home / Standards / GBT 5779.3-2000 GBT 5779.3-2000 Fasteners — Surface defects — Bolts, screws and studs — Special requirements 紧固件表面缺陷 螺栓、螺钉和螺柱 特殊要求 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