谐波传动减速器
Harmonic drive reducers
检测标准
米制密 封螺纹
Metric threads Where pressure-tight joints are made on the threads
普通螺纹 管路系列
General purpose metric screw threads The plan for pipe systems
压缩气体气瓶充装规定
Rules for filling of compressed gas cylinders
扁圆头方 颈 螺栓
Mushroom head square neck bolts
机械密封试验方法
Test method of mechanical seal
墙板自攻螺钉
Dry wall screws
摩托车链条 技术条件和试验方法
Motorcycle chains-Characteristics and test methods
熔模铸造低温模料 第1部分:物理性能试验方法
Low temperature pattern wax material for investment casting-Part 1: Testing methods for physical properties
齿轮装置效率测定方法
Determination of efficiency for gear units
