通风与空调工程施工质量验收规范(GB50243-2002)
通风与空调工程施工质量验收规范
Code of acceptance for construction quality of
ventilation and air conditioning works
GB 50243-2002
通风与空调工程施工质量验收规范
Code of acceptance for construction quality of
ventilation and air conditioning works
GB 50243-2002