Y21 标准查询与下载
共找到 3 条与 相关的标准，共 1 页
Energy consumption quota and calculation method for unit product of ceramics for daily use
- ICS
- 81.060.20
- CCS
- Y21
- 发布
- 2012-10-10
- 实施
- 2012-11-10
? ??? ?? ?? ?? ??? 800mm??, ?? ???? ??? ??? ??? ??
Dimensions of frames of ventilating fans for greenhouses
- ICS
- 65.060.10
- CCS
- Y21
- 发布
- 1999-10-02
- 实施
- 1999-10-02
이 규격은 농업용 온실의 비닐을 권취하는 비닐 개폐기의 구동 축 및 축 연결 소켓의 주요
Dimensions of driving shafts and connecting sockets of vinyl roll-up-down device for greenhouses
- ICS
- 65.040.30
- CCS
- Y21
- 发布
- 1999-10-02
- 实施
- 1999-10-02
