Browse Standards

高压电力设备外绝缘污秽等级

External insulation pollution classes of high-voltage electric power equipments

自行车 装配要求

Assembly requirements of bicycles

船用法兰铸铁单排排出截止阀箱

Marine flanged cast iron single arrangement exhaust stop box valve

工业用乙二醇中二乙二醇和三乙二醇含量的测定 气相色谱法

Monoethylene glycol for industrial use--Determination of diethylene glycol and triethylene glycol--Gas chromatographic method

船舶涂料修补性能测定法

Determination of repairability for ship coatings

自行车部件分类、名称和主要术语

Classification and names of components of bicycles， and basic technology

数字控制机床 操作指示形象化符号

Numerical control of machines--Symbols

金属切削机床 操作指示形象化符号

Symbols for indications appearing on machine tools

热塑性塑料树脂产品检验规则及标志、包装、贮运规定

Rules for inspecting，marking，packing，storing and transporting of thermoplastic materials

自然保护区类型与级别划分原则

Principle for categories and grades of nature reserves

滚动轴承 代号方法

Rolling bearing--Identification code

船用半导体变流器通用技术条件

General specification for marine semiconductor convertors

综合水文地质图图例及色标

Legend and color standard for comprehensive hydrogeologic maps

船舶电动和电动液压操舵装置电气系统设计

Electrical system design of electric and electrohydraulic steering gear in ships

特低电压(ELV) 限值

Extra-low voltage (ELV)--limit values

核电厂安全级直流电力系统设计准则

Criteria for the design of safety-related D.C. auxiliary power systems for nuclear power plants

粉末冶金铁基结构材料 第一部分 烧结铁、烧结碳钢、烧结铜钢、烧结铜钼钢

Powder metallurgy iron base structural materials--Part 1:Sintering iron，sintering carbon-steel，sintering copper-steel，sintering copper-modenim-steel

纸和纸板短矩压缩强度的测定法

paper and board--Compressive strength--Short span test

纸浆筛分测定方法

Pulps--Determination of screened components

变化量的符号和单位

Symbols and units of variant quantities