Browse Standards
1542+ standards in database
1542 result(s) found
电工术语 音频和视频的记录与重放
Electrotechnical terminology - Recording and reproduction of audio and video
电工术语 数字录音和录像
Electrotechnical terminology - Digital recording of audio and video signals
电工术语 发电、输电及配电 变电站
Electrotechnical terminology - Generation,transmission and distribution of electricity - Substations
电工术语 发电、输电及配电 电力系统规划和管理
Electrotechnical terminology - Generation,transmission and distribution of electricity - Power system planning and management
电工术语 发电、输电及配电 运行
Electrotechnical terminology - Generation, transmission and distribution of electricity - Operation
电工术语 发电、输电及配电 通用术语
Electrotechnical terminology - Generation,transmission and distribution of electricity - General
电工术语 基本术语
Electrotechnical terminology - Fundamental terms
香港特别行政区区徽
Regional emblem of Hong Kong special administrative region
国徽
National emblem
技术制图 棒料、型材及其断面的简化表示法
Technical drawings - Simplified representation of bars and profile sections
技术制图 投影法
Technical drawings - Projection methods
技术制图 图纸幅面和格式
Technical drawings - Size and layout of drawing sheets
技术制图 管路系统的图形符号 管路、管件和阀门等图形符号的轴测图画法
Technical drawings - Graphical symbols for piping systems - Axonometric representation of graphical symbols for piping, piping accessories and valves etc.
技术制图 管路系统的图形符号 阀门和控制元件
Technical drawings - Graphical symbols for piping systems - Valves and control components
技术制图 管路系统的图形符号 管件
Technical drawings - Graphical symbols for piping systems - Piping accessories
技术制图 管路系统的图形符号 管路
Technical drawings - Graphical symbols for piping systems - Piping
技术制图 管路系统的图形符号 基本原则
Technical drawings - Graphical symbols for piping systems - Basic principles
技术制图 标题栏
Technical drawings - Title blocks
标准中特定内容的起草 第2部分：老年人和残疾人的需求
Drafting for special aspects in standards - Part 2: The needs of older persons and persons with disabilities
标志用图形符号表示规则 第1部分：公共信息图形符号的设计原则
Rules for the presentation of graphical symbols for use on signs - Part 1: Design principles for public information graphical symbols