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BS 1875:1952

Specification for bi-pin lamp-holders for tubular fluorescent lamps for use in circuits the declared voltage of which does not exceed 250 volts
standard by BSI Group, 08/31/1979

BS 1852:1967

Specification for marking codes for values and tolerances of resistors and capacitors
standard by BSI Group, 01/16/1967

BS 2497-2:1969

Specification for a reference zero for the calibration of pure-tone audiometers-Data for certain earphones used in commercial practice
standard by BSI Group, 03/10/1971

BS 1892-2.8:1986

Gymnasium equipment. Particular requirements-Specification for trampolines, mini-trampolines and safety harnesses (trampoline spotting rig)
standard by BSI Group, 02/28/1986