致各位用户：
根据总局要求，经ISO、IEC授权，标准信息服务网在疫情防控期间免费提供相关疫情防控ISO、IEC标准全文在线阅读，同时国际标准（ISO/IEC) 单版本在线销售价格由原有九五折调整为九折，以实际行动有力支持企业复工复产，为打赢疫情防控阻击战贡献力量。
标准信息服务咨询电话：400-650-6190
关注标准信息服务网微信公众号：
致各位用户：
根据总局要求，经ISO、IEC授权，标准信息服务网在疫情防控期间免费提供相关疫情防控ISO、IEC标准全文在线阅读，同时国际标准（ISO/IEC) 单版本在线销售价格由原有九五折调整为九折，以实际行动有力支持企业复工复产，为打赢疫情防控阻击战贡献力量。
标准信息服务咨询电话：400-650-6190
关注标准信息服务网微信公众号：
|
Guidance for the application of low-carbon technologies in steel plants |
|
|
Steel wire for mechanical springs — Part 3: Oil-hardened and tempered wire |
|
|
Steel wire for mechanical springs — Part 2: Patented cold-drawn non-alloy steel wire |
|
|
Soil functions and related ecosystem services — Definitions, descriptions and conceptual framework |
|
|
Information technology — Keyboard layouts for text and office systems — Part 9: Groups and mechanisms for multilingual and multiscript input |
|
|
Water reuse in urban areas — Guidelines for decentralized water reuse system — Management of a decentralized water reuse system |
|
|
Information technology — Keyboard layouts for text and office systems — Part 2: Alphanumeric section |
|
|
Wheelchair seating — Part 6: Determination of changes in properties of seat cushions following simulated use |
| 1 |
Collaborative business relationship management — Guidelines for large organizations seeking collaboration with micro, small and medium-sized enterprises (MSMEs) |
| 2 |
Earth-mover tyres and rims — Part 1: Tyre designation and dimensions |
| 3 |
Information technology — Dynamic adaptive streaming over HTTP (DASH) — Part 1: Media presentation description and segment formats |
| 4 |
Information technology — Process assessment — Process assessment model for software life cycle processes |
| 5 |
Plastics — Determination of the degree of disintegration of plastic materials under defined composting conditions in a pilot-scale test |
| 6 |
Gaseous hydrogen — Fuelling stations — Part 1: General requirements |
| 7 |
Packaging — Bar code and two-dimensional symbols for shipping, transport and receiving labels |
| 8 |
Optics and photonics — Preparation of drawings for optical elements and systems — Part 14: Wavefront deformation tolerance |
