T/SSEA 0044-2019
汽车球头销用非调质冷镦钢热轧盘条
2019-12-20
DIN 48059
Twin-balled pins for overhead power lines
架空电力线用双球销
1978-03-01
QC/T 1021-2015
汽车独立悬架球头销总成性能要求及台架试验方法
Perfomance requirements and bench test methods of ball stud assy of automotive suspension
2015-10-10
GB/T 25318-2019
绝缘子串元件球窝联接用锁紧销 尺寸和试验
Locking devices for ball and socket couplings of string insulator units—Dimensions and tests
2019-12-10
ASTM G99-23
Standard Test Method for Wear and Friction Testing with a Pin-on-Disk or Ball-on-Disk Apparatus
用销盘或球盘装置进行磨损和摩擦试验的标准试验方法
2023-11-01