Technical Standard

Specification for quality of timber and workmanship in joinery. Quality of workmanship
standard by BSI Group, 09/05/1955

Specification for sizes of sensitized materials for recording instruments-Recording film
standard by BSI Group, 01/04/1974

Specification for clayware field drain pipes
standard by BSI Group, 12/27/1944

Hessian sandbags & rot proofed hessian sandbags
standard by BSI Group, 04/10/1959

Specification for gypsum plasterboard
standard by BSI Group, 08/31/1970

Tarmacadam and tar carpets (gravel aggregate)
standard by BSI Group, 09/05/1945

Solid fuel cookers and combination grates
standard by BSI Group, 12/31/1945

Specification for media for biological percolating filters
standard by BSI Group, 09/02/1948

Reels for covered solid round winding wires for electrical purposes.
standard by BSI Group, 09/10/1952