Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 4063-1986
Scope
This standard applies to reinforced concrete U-shaped trench covers (hereinafter referred to as trench covers) manufactured by vibration method, compression method or other methods to obtain equal or better quality.
CNS 4063-1986 history
1986CNS 4063-1986 Reinforced Concrete Covers for Ditches (U Type)