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Standard [WITHDRAWN]
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This document replaces DIN 50939:1976-01 .
This document has been replaced by: DIN 50939:1996-09 , DIN 50942:1996-09 , DIN EN 12476:2001-10 , DIN EN 12487:2007-07 , DIN EN ISO 3892:1995-01 , DIN EN ISO 3892:1996-09 , DIN EN ISO 3892:2001-12 .