Metal bellows for prestressed concrete
Metal bellows for prestressed concrete, Total:3 items.
The international standard classification for "Metal bellows for prestressed concrete" includes: Iron and steel pipes .
The Chinese standard classification for "Metal bellows for prestressed concrete" includes: .
Professional Standard - Construction Industry
- JG 225-2007 Corrugated metal ducts for prestressed concrete
- JG/T 225-2007 Corrugated metal ducts for prestressed concrete
- JG/T 225-2020 Corrugated metal ducts for prestressed concrete
