Taiwan Provincial Standard of the People's Republic of China
Latest
CNS 4995-1993
Scope
This standard applies to reinforced concrete manhole walls for sewers (hereinafter referred to as the manhole walls). Note: The numerical values and units in {} in this standard are in the commonly used metric system.
CNS 4995-1993 history
1993CNS 4995-1993 Reinforced Concrete Manhole Blocks for Sewerage Work