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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 21711.7-2018 |
Electromechanical Elementary relays—Part 7:Test and measurement procedures 基础机电继电器 第7部分：试验和测量程序 |
China National Standards Elementary |
 English PDF |
| GB/T 17225-2017 |
Hygienic requirements of microclimate for heating classroom in middle and Elementary school 中小学校采暖教室微小气候卫生要求 |
China National Standards Elementary |
English PDF |
| GB/T 17226-2017 |
Hygienic requirements of classroom ventilation in middle and Elementary school 中小学校教室换气卫生要求 |
China National Standards Elementary |
English PDF |
| GB/T 31744-2015 |
Test on the Elementary properties of bamboo charcoal for water-purification 水质净化用竹炭基本性能试验方法 |
China National Standards Elementary |
English PDF |
| GB/T 17227-2014 |
Health requirement of textbook for Elementary and secondary school student 中小学生教科书卫生要求 |
China National Standards Elementary |
English PDF |
| GB/T 17223-2012 |
Health requirements of daily learning time for secondary and Elementary school students 中小学生一日学习时间卫生要求 |
China National Standards Elementary |
English PDF |
| GB 16134-2011 |
Standards for physical examination redords for Elementary and middle school students 中小学生健康检查表规范 |
China National Standards Elementary |
English PDF |
| GB 7793-2010 |
Hygienic standard for day lighting and Artificial lighting for middle and Elementary school 中小学校教室采光和照明卫生标准 |
China National Standards Elementary |
English PDF |
| GB/T 12467.4-2009 |
Quality reqirements for fusion welding of metallic materials - Part 4: Elementary quality requirements 金属材料熔焊质量要求 第4部分：基本质量要求 |
China National Standards Elementary |
English PDF |
| GB/T 21711.1-2008 |
Electromechanical Elementary relays - Part 1: General and safety requirements 基础机电继电器 第1部分：总则与安全要求 |
China National Standards Elementary |
English PDF |
| GB/T 16656.513-2004 |
Industrial automation systems and integration--Product data representation and exchange--Part 513:Application interpreted construct:Elementary boun-dary representation 工业自动化系统与集成 产品数据表达与交换 第513部分:应用解释构造:基本边界表达 |
China National Standards Elementary |
English PDF |
| GB/T 16608.1-2003 |
Electromechanical Elementary all-or-nothing relays of assessed quality--Part 1:Generic specification 有质量评定的有或无基础机电继电器 第1部分:总规范 |
China National Standards Elementary |
English PDF |
| GB/T 19352.4-2003 |
Thermal spraying--Quality requirements of thermally sprayed structures--Part 4:Elementary quality requirements 热喷涂 热喷涂结构的质量要求 第4部分:基本的质量要求 |
China National Standards Elementary |
English PDF |
| GB/T 2900.63-2003 |
Electrotechnical terminology--Elementary relays 电工术语 基础继电器 |
China National Standards Elementary |
English PDF |
| GB/T 17541-1998 |
General specification for Elementary computer 学习机通用规范 |
China National Standards Elementary |
English PDF |
| GB/T 17225-1998 |
Standard of heating temperature for classroomof Elementary and secondary school 中小学校教室采暖温度标准 |
China National Standards Elementary |
English PDF |
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