Browse Standards

金属钙分析方法 8-羟基喹啉-三氯甲烷萃取分光光度法测定铝

Method for analysis of calcium metal--The determination of aluminium by oxine chloroform extraction photometric method

金属钙分析方法 微量硅的光度法测定

Method for analysis of calcium metal--The determination of micro-amounts of silicon by photometric method

金属钙分析方法 氯离子选择性电极法测定氯

Method for analysis of calcium metal--The determination of chlorine content by chloride--Selective electrode

信息处理 文本通信用编码字符集 第三部分:按页成象格式用控制功能

Information processing--Coded character sets for text communication--Part 3:Control functions for page-image format

阴极碳酸盐牌号命名方法

Designation for cathode carbonates

中华人民共和国铁路车站站名代码

Code for railway stations of the People’s Republic of China

电焊机型号编制方法

The organization of model for electric welding machines

出国目的代码

Coding for aim of going abroad

农村生活饮用水量卫生标准

Hygienic standard for water consumption in rural areas

高压开关设备常温下的机械试验

Mechanical test at ambient temperature for high-voltage switchgear

滑动轴承 整体轴套的轴径

Plain bearings--Shaft diameters for unsplit bushes

滑动轴承 整圆止推垫圈 尺寸和公差

Plain bearings--Ring type thrust washers made from strip--Dimensions and tolerances

滑动轴承 半圆止推垫圈 要素和公差

Plain bearings--Pressed bimetallic half thrust washers--Features and tolerances

区域地质图图例

Geological symbols used for regional geological maps(1∶50000)

发文稿纸格式

Layout key for original document of administration

硝酸铵

Ammonium nitrate

半导体分立器件型号命名方法

The rule of type designation for discrete semiconductor devices

铁路货运钢制平托盘

Steel flat pallets for railway goods traffic

中小型同步电机励磁系统基本技术要求

Fundamental requirements of excitation systems for medium and small synchronous machines

水果和蔬菜产品pH值的测定方法

Fruit and vegetable products--Determination of pH