BS 5478-1:1977

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

NORMA vydaná dňa 31.5.1977

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The information about the standard:

Designation standards: BS 5478-1:1977
Note: NEPLATNÁ
Publication date standards: 31.5.1977
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: British technical standard
Kategória: Technické normy BS