• BS 5478-1:1977

BS 5478-1:1977

Specification for calculators and adding machines.-Numeric section of ten-key keyboards for calculators and adding machines

BSI Group , 05/31/1977

Publisher: BS

File Format: PDF

$46.00$93.98


Composition and layout, shape of keys, slope of keyboard plane, maximum key stroke, spacing of keys.

BS 5478-1:1977 History

BS 5959:1980

BS 5959:1980

$80.00 $160.02

BS 5478-1:1977

BS 5478-1:1977

$46.00 $93.98

BS 5231:1975

BS 5231:1975

$80.00 $160.02

More BS Standards PDF

BS 9220 N004:1971

BS 9220 N004:1971

$80.00 $160.02

BS 4093:1970

BS 4093:1970

$80.00 $160.02

BS 9300 C564-571:1971

BS 9300 C564-571:1971

$132.00 $264.16

BS 1650:1971

BS 1650:1971

$95.00 $190.50