Standard [WITHDRAWN]
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This document replaces DIN 4990:1942-05 .
This document has been replaced by: DIN 4982:1980-10 , DIN 4990:1966-07 , DIN 4990:1972-07 , DIN ISO 513:1992-06 , DIN ISO 513:2005-11 , DIN ISO 513:2014-05 .