ZH
RU
ES

building roof rainwater

building roof rainwater, Total:2 items.

In the international standard classification, building roof rainwater involves: Pipeline components and pipelines.

Professional Standard - Urban Construction, building roof rainwater

• CJJ 142-2014 Technical specification for raindrainage system of building roof

国家市场监督管理总局、中国国家标准化管理委员会, building roof rainwater

• GB/T 37357-2019 Cast iron pipes, fittings and accessories for rain drainage of building roof

Others:   roof rainwater, roof rainwater, Building and Community Rainwater Control and Utilization Engineering Technology, Building and community rainwater utilization engineering technology, building roof rainwater, Building Roof Rainwater Drainage System Technology.