BS 1247:1955
Manhole step irons (malleable cast iron)
https://doi.org/10.3403/30306830 (published 24/11/1955)
BS 1247:1955 is maintained by . This standard is available from the following sources:
Other historical versions of this standard document also exist:
- BS 1247:1975 [current until 29/06/1990]
- BS 1247:1945 [current until 24/11/1955]