BWWN/31/10
"1931-32-33"
Description
Standards specifications:
"BSS for Steel Conduit & Fittings for Electrical Wiring"
"BSS for Short Link Wrought Iron Crane Chain"
"BSS for Portland Cement"
"BSS for Phosphor Bronze Castings for Gear Blanks"
"BSS for Wrought Iron & Mild Steel Hooks"
Date
1931-1933
Reference code
BWWN/31/10
Extent & medium
booklets