BS 1151-2:1961
Guarenteed minimim reckoners for the building and civil engineering contrscting industries
standard by BSI Group, 09/01/1961
Guarenteed minimim reckoners for the building and civil engineering contrscting industries
standard by BSI Group, 09/01/1961
Malleable cast iron (whiteheart process) and cast copper alloy pipe fittings for steam, air, water, gas and oil. Screwed b.s.p. taper male thread and parallel female thread.
standard by BSI Group, 07/27/1945
Methods for the analysis of iron and steel. Copper in iron and steel (absorptiometric method)
standard by BSI Group, 11/09/1956