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DIN EN 1665 Berichtigung 1:2007
Hexagon bolts with flange, heavy series; German version EN 1665:1997, Corrigenda to DIN EN 1665:1998-11; German version EN 1665:1997/AC:2007
The document contains dimensional and technical requirements of hexagon bolts with flange, heavy series and specifies their designation.
Deutsches Institut für Normung [din]