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BS 1113:1992

Specification for design and manufacture of water-tube steam generating plant (including superheaters, reheaters and steel tube economizers)
standard by BSI Group, 06/15/1994

BS 122:1931

Milling cutters and reamers including mill machine spindle noses and arbors
standard by BSI Group, 07/12/1920

BS 142-3-3.2:1990

Electrical protection relays. Requirements for single input energizing quantity relays-Specification for single input energizing quantity measuring relays with dependent specified time
standard by BSI Group, 12/31/1990

BS 1870-1:1988

Safety footwear-Specification for safety footwear other than all-rubber and all-plastics moulded types
standard by BSI Group, 09/30/1988