Standard [CURRENT]
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This document replaces DIN 3990-10:1973-01 , DIN 3990-1:1970-12 , DIN 3990-2:1970-12 , DIN 3990-3:1970-12 , DIN 3990-5:1970-12 , DIN 3990-6:1970-12 , DIN 3990-7:1970-12 , DIN 3990-8:1970-12 .