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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 29047-2021 |
Prefabricated directly buried insulating pipes and fittings with polyurethane foamed-plastics and high density polyethylene casing pipes 高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件 |
China National Standards directly |
 English PDF |
| GB/T 17934.8-2021 |
Graphic technology—Process control for the production of half-tone colour separations, proof and production prints—Part 8:Validation print processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第8部分：直接使用数字数据的验证印刷品制作过程 |
China National Standards directly |
English PDF |
| GB/T 17934.7-2021 |
Graphic technology—Process control for the production of half-tone colour separations,proof and production prints—Part 7:Proofing processes working directly from digital data 印刷技术 网目调分色版、样张和生产印刷品的加工过程控制 第7部分：直接使用数字数据的打样过程 |
China National Standards directly |
English PDF |
| GB/T 21548-2021 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 |
China National Standards directly |
English PDF |
| GB/T 38585-2020 |
Technical specification of joint assembling for directly buried insulated pipeline of urban heating 城镇供热直埋管道接头保温技术条件 |
China National Standards directly |
English PDF |
| GB/T 39246-2020 |
Prefabricated directly buried insulating fittings with seamless high density polyethylene casing pipe 高密度聚乙烯无缝外护管预制直埋保温管件 |
China National Standards directly |
English PDF |
| GB/T 37263-2018 |
Prefabricated directly buried insulating plastic-steel-plastic composite pipes with polyurethane [PUR]foamed-plastics and high density polyethylene [PE]casing pipes 高密度聚乙烯外护管聚氨酯发泡预制直埋保温钢塑复合管 |
China National Standards directly |
English PDF |
| GB/T 35842-2018 |
Technical requirements for pre-insulated directly buried valve of urban heating 城镇供热预制直埋保温阀门技术要求 |
China National Standards directly |
English PDF |
| GB/T 34611-2017 |
Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes 硬质聚氨酯喷涂聚乙烯缠绕预制直埋保温管 |
China National Standards directly |
English PDF |
| GB/T 29047-2012 |
Prefabricated directly buried insulating pipes and fittings with polyurethane [PUR]foamed-plastics and high density polyethylene [PE]casing pipes 高密度聚乙烯外护管硬质聚氨酯泡沫塑料预制直埋保温管及管件 |
China National Standards directly |
English PDF |
| GB/T 29046-2012 |
Test methods of technical specification for pre-insulated directly buried district heating pipes 城镇供热预制直埋保温管道技术指标检测方法 |
China National Standards directly |
English PDF |
| GB/T 29233-2012 |
Singlemode optical fibre telecommunication cables for outdoor duct, directly buried, and lashed aerial application 管道、直埋和非自承式架空敷设用单模通信室外光缆 |
China National Standards directly |
English PDF |
| GB/T 21548-2008 |
Methods of measurement of the high speed semiconductor lasers directly modulated for optical fiber communication systems 光通信用高速直接调制半导体激光器的测量方法 |
China National Standards directly |
English PDF |
| GB/T 6663.1-2007 |
directly heated negative temperature coefficient thermistors - Part 1: Generic specification 直热式负温度系数热敏电阻器 第1部分:总规范 |
China National Standards directly |
English PDF |
| GB/T 19385.2-2003 |
Textile machinery and accessories--Heald frames--Part 2:Heald-carrying rod fixed directly on the frame stave--Coordinated dimensions 纺织机械与附件 综框 第2部分:穿综杆直接固定于综框横梁 相关尺寸 |
China National Standards directly |
English PDF |
| GB/T 7154.4-2003 |
Thermistors--directly heated positive step-function temperature coefficient--Part 1-4: Blank detail specification--Sensing application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-4部分:敏感用空白详细规范 评定水平EZ |
China National Standards directly |
English PDF |
| GB/T 7154.3-2003 |
Thermistors--directly heated positive step-function temperature coefficient--Part 1-3: Blank detail specification--Inrush current application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-3部分:浪涌电流用空白详细规范 评定水平EZ |
China National Standards directly |
English PDF |
| GB/T 7154.2-2003 |
Thermistors--directly heated positive step-function temperature coefficient--Part 1-2: Blank detail specification--Heating element application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-2部分:加热元件用空白详细规范 评定水平EZ |
China National Standards directly |
English PDF |
| GB/T 7154.1-2003 |
Thermistors--directly heated positive step-function temperature coefficient--Part 1-1:Blank detail specification for current limiting application--Assessment level EZ 直热式阶跃型正温度系数热敏电阻器 第1-1部分:限流用空白详细规范 评定水平EZ |
China National Standards directly |
English PDF |
| GB/T 7153-2002 |
directly heated positive step-function temperature coefficient thermistors--Part 1:Generic specification 直热式阶跃型正温度系数热敏电阻器 第1部分:总规范 |
China National Standards directly |
English PDF |
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