Technical rule [WITHDRAWN]
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This document replaces DVS 1171 Beiblatt 1:1979-12 , DVS 1171:1979-12 .
This document has been replaced by: DVS 1171 Beiblatt 1:1987-01 , DVS 1171 Beiblatt 1:1991-04 , DVS-EWF 1171 Beiblatt 1:1994-08 , DVS-EWF 1171 Beiblatt 1:1997-02 , DVS-IIW/EWF 1171 Beiblatt 1:2004-11 , DVS 1171 Beiblatt 1:1990-05 .