I.S. EN 1635:1998被替代
Bar Coding - Test Specifications - Bar Code Symbols
出版：National Standards Authority of Ireland
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Defines methodology for testing bar code symbols for conformity with symbology specification, specifies a range of quality grades based on measuring specified attributes of the symbol and provides information on possible causes of deviation from optimum grades to enable users to take appropriate corrective action.
UNE EN 1635:1998 - Identical
SS EN 1635 Ed. 1 (1997) - Identical
NS EN 1635:1997 - Identical
UNI EN 1635:1999 - Identical
NBN EN 1635:1997 - Identical
ONORM EN 1635:1997 - Identical
DIN EN 1635 (1998-02) - Identical
BS EN 1635:1998 - Identical
NF EN 1635:1999 - Identical
