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>BSI Standards >35 INFORMATION TECHNOLOGY. OFFICE MACHINES>35.260 Office machines>BS 5478-1:1977 Specification for calculators and adding machines. Numeric section of ten-key keyboards for calculators and adding machines
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immediate downloadReleased: 1977-05-31
BS 5478-1:1977 Specification for calculators and adding machines. Numeric section of ten-key keyboards for calculators and adding machines

BS 5478-1:1977

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

CURRENCY
88.8 EUR
Standard number:BS 5478-1:1977
Pages:3
Released:1977-05-31
ISBN:0 580 09903 2
Status:Standard
DESCRIPTION

BS 5478-1:1977


This standard BS 5478-1:1977 Specification for calculators and adding machines. is classified in these ICS categories:
  • 35.260 Office machines

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