NF F55-053/A1:1978
Railway fixed facilities. Reinforced concrete lightweight trench member covers.

Standard No.

NF F55-053/A1:1978

Release Date

1978

Published By

Association Francaise de Normalisation

Latest

NF F55-053/A1:1978

NF F55-053/A1:1978 history

• 1978 NF F55-053/A1:1978 Railway fixed facilities. Reinforced concrete lightweight trench member covers.