High-strength bolts for steel grid bolt ball joints
High-strength bolts for steel grid bolt ball joints, Total:2 items.
In the international standard classification, High-strength bolts for steel grid bolt ball joints involves: Fasteners.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, High-strength bolts for steel grid bolt ball joints
GB/T 16939-1997 High strength bolts for joints of space grid structures
GB/T 16939-2016 High strength bolts for joints of space grid structures