BS 5478-1:1977

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

$47.00 $93.98

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

Published: 05/31/1977

Pages: 3

ISBN: 0580099032

File Size: 1 file

Language: English

Note: This product is unavailable in Ukraine, Russia, Belarus

$80.00

$47.00

$80.00