Technical Standard

Specification for sizes of photographic paper for general use
standard by BSI Group, 09/18/1947

Ceramic materials for telecommunication and allied purposes.
standard by BSI Group, 12/08/1949

Lighthouse lamps (electric)
standard by BSI Group, 07/12/1949

Clinker aggregate for plain and precast concrete
standard by BSI Group, 06/28/1957

Specification for tagged boot and shoe laces (cotton)
standard by BSI Group, 12/31/1951

Wrought aluminium and aluminium alloys for general engineering purposes. Plate
standard by BSI Group, 12/22/1955

Specification personal stationery (terms and sizes)
standard by BSI Group, 02/03/1947

Specification for clay flue linings and flue terminals
standard by BSI Group, 06/21/1971

Specification for thin PVC sheeting (calendered, flexible, unsupported)
standard by BSI Group, 07/31/1975

Specification for Portland blastfurnace cement
standard by BSI Group, 11/29/1991