Category: BS
BS
Universal Decimal Classification. Second English full edition-Metallurgy
standard by BSI Group, 04/30/1979
Gas welding of aluminium and certain aluminium alloys
standard by BSI Group, 11/05/1943
Universal Decimal Classification. English full edition-Public health. Accident prevention
standard by BSI Group, 02/14/1969
Non ferrous pipes and piping installations for and in connection with land boilers
standard by BSI Group, 12/31/1955
Totally enclosed air-break switches for voltages not exceeding 660 volts
standard by BSI Group, 01/30/1933