DIN EN 13889:2009-02
一般起重用途的鍛鋼卸扣 Dee 卸扣和弓形卸扣 6 級 安全
Forged steel shackles for general lifting purposes - Dee shackles and bow shackles - Grade 6 - Safety; German version EN 13889:2003+A1:2008 / Note: DIN EN 13889 (2003-09) remains valid alongside this standard until 2009-12-28.