CJJ 142 第1.0.1条
This specification is formulated to standardize the design, construction, and acceptance of building roof rainwater drainage systems.
CJJ 142 第1.0.1条 Technical Specification for Rainwater Drainage Systems on Building Roofs
Other clauses of this standard
- CJJ 142 第条Technical specification for rainwater drainage systems on b…
- CJJ 142 第1.0.1条Technical specification for rainwater drainage systems on b…
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