Browse Standards

标准型弹簧垫圈

Single coil spring lock washers--Normal type

锥形锯齿锁紧垫圈

Countersunk serrated external toothed lock washers

锥形锁紧垫圈

Countersunk external toothed lock washers

波形弹性垫圈

Wave spring washers

弹性垫圈技术条件 齿形、锯齿锁紧垫圈

Specifications for spring washers--Toothed lock and serrated lock washers

外锯齿锁紧垫圈

Serrated lock washers external teeth

外齿锁紧垫圈

Lock washers external teeth

内锯齿锁紧垫圈

Serrated lock washers internal teeth

内齿锁紧垫圈

Lock washers internal teeth

鞍形弹性垫圈

Curved spring washers

轻型弹簧垫圈

Single coil spring lock washers，Light type

波形弹簧垫圈

Wave single coil spring lock washers

鞍形弹簧垫圈

Curved single coil spring lock washers

重型弹簧垫圈

Single coil spring lock washers，Heavy type

固体电介质微波复介电常数的测试方法 开式腔法

Test method for the complex permittivity of solid dielectric materials at microwave frequencies--Open cavity method

固体电介质微波复介电常数的测试方法 微扰法

Test method for complex permittivity of solid dielectric materials at microwave frequencies--Perturbation method

电力系统二次回路控制、保护装置用插箱及插件面板基本尺寸系列

Series of basic dimensions of subracks and associated panels of plugin units for control and protective equipment of secondary circuit of power system

合页通用技术条件

Hinges general technical condition

锻制圆钢和方钢尺寸、外形、重量及允许偏差

Forged round and square steels--Dimension，shape，weight and tolerance

可靠性、维修性与有效性预计报告编写指南

Presentation of reliability，maintainability and availability predictions