GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 50662-2011 |
code for design of hydraulic structures against ice and freezing action 水工建筑物抗冰冻设计规范 |
China National Standards code |
English PDF |
GB 50660-2011 |
code for design of fossil fired power plant 大中型火力发电厂设计规范 |
China National Standards code |
English PDF |
GB/T 50655-2011 |
code for design of steam system in chemical plant 化工厂蒸汽系统设计规范 |
China National Standards code |
English PDF |
GB 50682-2011 |
Technical code for pre-fabricated united pipe risers 预制组合立管技术规范 |
China National Standards code |
English PDF |
GB 50653-2011 |
code for construction of non-ferrous metals mine sinking and drifting engineering 有色金属矿山井巷工程施工规范 |
China National Standards code |
English PDF |
GB 50652-2011 |
code for risk management of underground works in urban rail transit 城市轨道交通地下工程建设风险管理规范 |
China National Standards code |
English PDF |
GB 50236-2011 |
code for construction of field equipment,industrial pipe welding engineering 现场设备、工业管道焊接工程施工规范 |
China National Standards code |
English PDF |
GB/T 50676-2011 |
Technical code for appraisal of reliability of concrete structural factory buildings for uranium fuel element plants 铀燃料元件厂混凝土结构厂房可靠性鉴定技术规范 |
China National Standards code |
English PDF |
GB 50669-2011 |
code for construction and acceptance of reinforced concrete silos 钢筋混凝土筒仓施工与质量验收规范 |
China National Standards code |
English PDF |
GB 50755-2012 |
code for construction of steel structures 钢结构工程施工规范 |
China National Standards code |
English PDF |
GB 50754-2012 |
code for design of steel pipe extrusion engineering 挤压钢管工程设计规范 |
China National Standards code |
English PDF |
GB 50742-2012 |
code for installation of mechanical equipment for steel-making 炼钢机械设备安装规范 |
China National Standards code |
English PDF |
GB 26164.1-2010 |
Safety code of electric power industry - Part 1: Thermal and machine 电业安全工作规程 第1部分:热力和机械 |
China National Standards code |
English PDF |
GB 18401-2010 |
National general safety technical code for textile products 国家纺织产品基本安全技术规范 |
China National Standards code |
English PDF |
GB/T 3221-2010 |
code for dock and sea trials of diesel-driven inland ships 柴油机动力内河船舶系泊和航行试验大纲 |
China National Standards code |
English PDF |
GB/T 25741-2010 |
Information technology - Chinese ideograms coded character set Radical order and stroke order of Chinese ideograms 信息技术 汉字编码字符集 汉字部首序和笔顺序 |
China National Standards code |
English PDF |
GB/T 18804-2010 |
codes for types of means of transport 运输工具类型代码 |
China National Standards code |
English PDF |
GB/T 26320-2010 |
codex of information interchanges for international freight forwarding operation 国际货运代理信息交换规范 |
China National Standards code |
English PDF |
GB/T 26228.1-2010 |
Information technology - Automatic identification and data capture techniques - Bar code verifier conformance specification - Part 1: Linear symbols 信息技术 自动识别与数据采集技术 条码检测仪一致性规范 第1部分:一维条码 |
China National Standards code |
English PDF |
GB/T 26227-2010 |
Information technology - Automatic identification and data capture techniques - Bar code master test specifications 信息技术 自动识别与数据采集技术 条码原版胶片测试规范 |
China National Standards code |
English PDF |
GB 6345.1-2010 |
Information technology - Chinese ideogram coded character set (basic set) - 32 dot matrix font - Part 1: Song Ti 信息技术 汉字编码字符集(基本集) 32点阵字型 第1部分:宋体 |
China National Standards code |
English PDF |
GB 5199-2010 |
Information technology - Chinese ideogram coded character set (basic set) - 15×16 dot matrix font 信息技术 汉字编码字符集(基本集) 15×16点阵字型 |
China National Standards code |
English PDF |
GB 5007.1-2010 |
Information technology - Chinese ideogram coded character set (basic set) - 24 dot matrix font 信息技术 汉字编码字符集(基本集) 24点阵字型 |
China National Standards code |
English PDF |
GB 26122.2-2010 |
Information technology - Universal multi-octet coded character set-Mongolian nominal characters and presentation forms - 32 Dot matrix font - Part 2: Xinwen Ti 信息技术 通用多八位编码字符集 蒙古文名义字符与变形显现字符 32点阵字型 第2部分:新闻体 |
China National Standards code |
English PDF |
GB 26122.1-2010 |
Information technology - Universal multi-octet coded character set - Mongolian nominal characters and presentation forms - 32 Dot matrix font - Part1: Bai Ti 信息技术 通用多八位编码字符集 蒙古文名义字符与变形显现字符 32点阵字型 第1部分:白体 |
China National Standards code |
English PDF |
GB 25893.2-2010 |
Information technology - Universal multi-octet coded character set - Mongolian nominal characters and presentation forms - 16 Dot matrix font - Part2: Xinwen Ti 信息技术 通用多八位编码字符集 蒙古文名义字符与变形显现字符 16点阵字型 第2部分:新闻体 |
China National Standards code |
English PDF |
GB 25892.8-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 8: Teilik bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第8部分:塔里克黑体 |
China National Standards code |
English PDF |
GB 25891-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 8 Dot matrix font - Tuz lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 8点阵字型 正文白体 |
China National Standards code |
English PDF |
GB 12041.1-2010 |
Information technology - Chinese ideogram coded character set (basic set)-48 dot matrix font - Part 1: Song Ti 信息技术 汉字编码字符集(基本集) 48点阵字型 第1部分:宋体 |
China National Standards code |
English PDF |
GB 25913-2010 |
Information technology - Tibetan ideogram codedcharacter set (extension set B) 24×48 dot matrix font - Ucen Khyungyik 信息技术 藏文编码字符集(扩充集B) 24×48点阵字型 吾坚琼体 |
China National Standards code |
English PDF |
GB 25912-2010 |
Information technology - Tibetan coded character set 24×48 dot matrix font - Petsuk 信息技术 藏文编码字符集 24×48点阵字型 白徂体 |
China National Standards code |
English PDF |
GB 25911-2010 |
Information technology - Tibetan coded character set 24×48 dot matrix font - Drutsa 信息技术 藏文编码字符集 24×48点阵字型 朱匝体 |
China National Standards code |
English PDF |
GB 25910.2-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 48 Dot matrix font - Part 2: Tuz bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 48点阵字型 第2部分:正文黑体 |
China National Standards code |
English PDF |
GB 25909.2-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 24 Dot matrix font - Part 2: Tuz bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 24点阵字型 第2部分:正文黑体 |
China National Standards code |
English PDF |
GB 25908-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16×32 Dot matrix font - Tuz lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16×32点阵字型 正文白体 |
China National Standards code |
English PDF |
GB 25907.8-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 8: Teilik bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第8部分:塔里克黑体 |
China National Standards code |
English PDF |
GB 25907.7-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 7: Teilik lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第7部分:塔里克白体 |
China National Standards code |
English PDF |
GB 25907.6-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 6: Ruki bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第6部分:如克黑体 |
China National Standards code |
English PDF |
GB 25907.5-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font -Part 5: Ruki lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第5部分:如克白体 |
China National Standards code |
English PDF |
GB 25907.4-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 4: Kufi bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第4部分:库非黑体 |
China National Standards code |
English PDF |
GB 25907.3-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 3: Kufi lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第3部分:库非白体 |
China National Standards code |
English PDF |
GB 25907.2-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 2:Tuz bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第2部分:正文黑体 |
China National Standards code |
English PDF |
GB 25907.1-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 16 Dot matrix font - Part 1: Tuz lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 16点阵字型 第1部分:正文白体 |
China National Standards code |
English PDF |
GB 25906.5-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 48 Dot matrix fonts - Part 5: Zouzhe Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 48点阵字型 第5部分:奏折体 |
China National Standards code |
English PDF |
GB 25906.4-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 48 Dot matrix fonts - Part 4: Xingshu Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 48点阵字型 第4部分:行书体 |
China National Standards code |
English PDF |
GB 25906.3-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 48 Dot matrix fonts - Part 3: Dahei Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 48点阵字型 第3部分:大黑体 |
China National Standards code |
English PDF |
GB 25906.2-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 48 Dot matrix fonts - Part 2: Zhenghei Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 48点阵字型 第2部分:正黑体 |
China National Standards code |
English PDF |
GB 25906.1-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 48 Dot matrix fonts - Part 1: Zhengbai Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 48点阵字型 第1部分:正白体 |
China National Standards code |
English PDF |
GB 25905.2-2010 |
Information technology - universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 32 dot matrix fonts - Part 2: Zhenghei Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 32点阵字型 第2部分:正黑体 |
China National Standards code |
English PDF |
GB 25905.1-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 32 Dot matrix fonts - Part 1: Zhengbai Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 32点阵字型 第1部分:正白体 |
China National Standards code |
English PDF |
GB 25904.3-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 24 Dot matrix fonts - Part 3: Zouzhe Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 24点阵字型 第3部分:奏折体 |
China National Standards code |
English PDF |
GB 25904.2-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 24 Dot matrix fonts - Part 2: Xingshu Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 24点阵字型 第2部分:行书体 |
China National Standards code |
English PDF |
GB 25904.1-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 24 Dot matrix fonts - Part 1: Dahei Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 24点阵字型 第1部分:大黑体 |
China National Standards code |
English PDF |
GB 25903.2-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 16 Dot matrix fonts - Part 2: Zhenghei Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 16点阵字型 第2部分:正黑体 |
China National Standards code |
English PDF |
GB 25903.1-2010 |
Information technology - Universal multi-octet coded character set - Sibe, Manchu nominal characters, presentation forms and composite characters - 16 Dot matrix fonts - Part 1: Zhengbai Ti 信息技术 通用多八位编码字符集 锡伯文、满文名义字符、显现字符与合体字 16点阵字型 第1部分:正白体 |
China National Standards code |
English PDF |
GB 25902.4-2010 |
Information technology - Universal multiple-octet coded character set - New Xishuang Banna Dai 32 dot matrix font - Part 4: Wennuanfei Hei Ti 信息技术 通用多八位编码字符集 西双版纳新傣文32点阵字型 第4部分:温暖菲黑体 |
China National Standards code |
English PDF |
GB 25902.3-2010 |
Information technology - Universal multiple-octet coded character set - New Xishuang Banna Dai 32 dot matrix font - Part 3: Wennuanfei Bai Ti 信息技术 通用多八位编码字符集 西双版纳新傣文32点阵字型 第3部分:温暖菲白体 |
China National Standards code |
English PDF |
GB 25902.2-2010 |
Information technology - Universal multiple-octet coded character set - New Xishuang Banna Dai 32 dot matrix font - Part 2: Hehan Hei Ti 信息技术 通用多八位编码字符集 西双版纳新傣文32点阵字型 第2部分:赫罕黑体 |
China National Standards code |
English PDF |
GB 25902.1-2010 |
Information technology - Universal multiple-octet coded character set - New Xishuang Banna Dai 32 dot matrix font - Part 1: Hehan Bai Ti 信息技术 通用多八位编码字符集 西双版纳新傣文32点阵字型 第1部分:赫罕白体 |
China National Standards code |
English PDF |
GB 25901.2-2010 |
Information technology - Universal multiple-octet coded character set - Dehong Dai 32 dot matrix font - Part 2: Yixiang Hei Ti 信息技术 通用多八位编码字符集 德宏傣文32点阵字型 第2部分:伊香黑体 |
China National Standards code |
English PDF |
GB 25901.1-2010 |
Information technology - Universal multiple-octet coded character set - Dehong Dai 32 dot matrix font - Part 1: Yixiang Bai Ti 信息技术 通用多八位编码字符集 德宏傣文32点阵字型 第1部分:伊香白体 |
China National Standards code |
English PDF |
GB 25899.2-2010 |
Information technology - Universal multiple-octet coded character set (Basic Multilingual plane) - 32-dots matrix font of Chinese ideogram - Part 2: Hei Ti 信息技术 通用多八位编码字符集(基本多文种平面) 汉字32点阵字型 第2部分:黑体 |
China National Standards code |
English PDF |
GB 25899.1-2010 |
Information technology - Universal multiple-octet coded character set (Basic Multilingual plane) - 32-dots matrix font of Chinese ideogram - Part 1: Song Ti 信息技术 通用多八位编码字符集(基本多文种平面) 汉字32点阵字型 第1部分:宋体 |
China National Standards code |
English PDF |
GB 25893.1-2010 |
Information technology - Universal multi-octet coded character set - Mongolian nominal characters and presentation forms - 16 Dot matrix font - Part 1: Bai Ti 信息技术 通用多八位编码字符集 蒙古文名义字符与变形显现字符 16点阵字型 第1部分:白体 |
China National Standards code |
English PDF |
GB 25892.7-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 7:Teilik lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第7部分:塔里克白体 |
China National Standards code |
English PDF |
GB 25892.6-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 6:Ruki bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第6部分:如克黑体 |
China National Standards code |
English PDF |
GB 25892.5-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 5: Ruki lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第5部分:如克白体 |
China National Standards code |
English PDF |
GB 25892.4-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 4: Kufi bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第4部分:库非黑体 |
China National Standards code |
English PDF |
GB 25892.3-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 3: Kufi lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第3部分:库非白体 |
China National Standards code |
English PDF |
GB 25892.2-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 2: Tuz bold 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第2部分:正文黑体 |
China National Standards code |
English PDF |
GB 25892.1-2010 |
Information technology - Uyghur, Kazak, Kirgiz coded character set - 32 Dot matrix font - Part 1: Tuz lean 信息技术 维吾尔文、哈萨克文、柯尔克孜文编码字符集 32点阵字型 第1部分:正文白体 |
China National Standards code |
English PDF |
GB 19967.2-2010 |
Information technology - Universal multiple-octet coded character set (Basic Multilingual plane) - 24-dots matrix font of Chinese ideogram - Part 2: Hei Ti 信息技术 通用多八位编码字符集(基本多文种平面) 汉字24点阵字型 第2部分:黑体 |
China National Standards code |
English PDF |
GB 17698-2010 |
Information technology - Universal multiple-octet coded character set (CJK unified ideographs) 15×16-dot matrix font 信息技术 通用多八位编码字符集(CJK统一汉字) 15×16点阵字型 |
China National Standards code |
English PDF |
GB 16794.1-2010 |
Information technology - Universal multiple-octet coded character set (CJK unified ideographs) 48-dot matrix font - Part 1:Song Ti 信息技术 通用多八位编码字符集(CJK统一汉字) 48点阵字型 第1部分:宋体 |
China National Standards code |
English PDF |
GB 16793.1-2010 |
Information technology - Universal multiple-octet coded character set (CJK unified ideographs) - 24-dot matrix font - Part 1: Song Ti 信息技术 通用多八位编码字符集(CJK统一汉字) 24点阵字型 第1部分:宋体 |
China National Standards code |
English PDF |
GB 13000-2010 |
Information technology - Universal multiple-octet coded character set (UCS) 信息技术 通用多八位编码字符集(UCS) |
China National Standards code |
English PDF |
GB/T 14885-2010 |
Classification and codes for fixed assets 固定资产分类与代码 |
China National Standards code |
English PDF |
GB 50647-2011 |
code for planning of intersections on urban roads 城市道路交叉口规划规范 |
China National Standards code |
English PDF |
GB 50137-2011 |
code for classification of urban land use and planning standards of development land 城市用地分类与规划建设用地标准 |
China National Standards code |
English PDF |
GB 50650-2011 |
code for design protection of petrochemical plant against lighting 石油化工装置防雷设计规范 |
China National Standards code |
English PDF |
GB/T 50649-2011 |
code for design of energy saving for water resources and hydropower projects 水利水电工程节能设计规范 |
China National Standards code |
English PDF |
GB 50648-2011 |
code for design of recirculating cooling water system in chemical palnt 化学工业循环冷却水系统设计规范 |
China National Standards code |
English PDF |
GB 50184-2011 |
code for acceptance of construction quality of industrial metallic piping 工业金属管道工程施工质量验收规范 |
China National Standards code |
English PDF |
GB 50049-2011 |
code for design of small fossil fired power plant 小型火力发电厂设计规范 |
China National Standards code |
English PDF |
GB/T 25706-2010 |
code of designations for mining machinery products 矿山机械产品型号编制方法 |
China National Standards code |
English PDF |
GB 17668-2010 |
Eletrical chain saws - Safety code of practice 电链锯 安全使用规程 |
China National Standards code |
English PDF |
GB 12557-2010 |
Woodworking machines - Safety code 木工机床 安全通则 |
China National Standards code |
English PDF |
GB/T 16963-2010 |
Drafting rules for international trade contract codes 国际贸易合同代码编制规则 |
China National Standards code |
English PDF |
GB/T 16962-2010 |
Classification and codes for international trade payment 国际贸易付款方式分类与代码 |
China National Standards code |
English PDF |
GB/T 14945-2010 |
General codes for broken & damaged cargo in transport 货物运输常用残损代码 |
China National Standards code |
English PDF |
GB/T 24405.2-2010 |
Information technology - Service management - Part 2: code of practice 信息技术 服务管理 第2部分:实践规则 |
China National Standards code |
English PDF |
GB/T 25630-2010 |
Turbocompressors - Performance test code 透平压缩机 性能试验规程 |
China National Standards code |
English PDF |
GB/T 25344-2010 |
code for railway lines of the People’s Republic of China 中华人民共和国铁路线路名称代码 |
China National Standards code |
English PDF |
GB 50643-2010 |
code for design of occupational safety and hygiene of rubber factory 橡胶工厂职业安全与卫生设计规范 |
China National Standards code |
English PDF |
GB 50641-2010 |
code for installation engineering construction of non-ferrous metals mine sinking and drifting 有色金属矿山井巷安装工程施工规范 |
China National Standards code |
English PDF |
GB 50639-2010 |
code for design of polyamide polymer and fiber plant 锦纶工厂设计规范 |
China National Standards code |
English PDF |
GB/T 50638-2010 |
code of acceptance for installation of textile equipments for bast fibers 麻纺织设备工程安装与质量验收规范 |
China National Standards code |
English PDF |
GB/T 50637-2010 |
code for design of spinning process for shell body blank 弹体毛坯旋压工艺设计规范 |
China National Standards code |
English PDF |
GB 50636-2010 |
code for design of urban rail transit integrated supervision and control system engineering 城市轨道交通综合监控系统工程设计规范 |
China National Standards code |
English PDF |
GB 50635-2010 |
code for design of hall system engineering of videoconference 会议电视会场系统工程设计规范 |
China National Standards code |
English PDF |
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