P45 供热、供气、空调及制冷工程综合 标准查询与下载
共找到 224 条与 供热、供气、空调及制冷工程综合 相关的标准，共 15 页
This standard has been developed for use on drawing. Architects, contractors, and engineers, by the use of these symbols on their plans, will have a standard method of indication for heating, air conditioning, and allied items. Confusion in the interpretations of requirements can thus be avoided.
Graphic Symbols For Heating, Ventilating And Air Conditioning (Y32.2.4 - 1949)
- ICS
- 01.080.30;91.140.10;91.140.30
- CCS
- P45
- 发布
- 1949
- 实施
Regulations on contents of detailed design of and thoroughness of heating, ventilation and air conditioning in chemical industry
- ICS
- 91.140.01
- CCS
- P45
- 发布
- 实施
Specification of Contents and Procedure on Heating,Ventilating and Air Conditioning Detailed Design for Chemical Plant (explanation)
- ICS
- 91.140.01
- CCS
- P45
- 发布
- 实施
