KS B 0611(2017 Confirm)
기계 부품의 둥글기(프레스 가공품)
机器零件半径（钣金冲压加工）
2007-08-07
JIS B 0702-1977
Radius of machine parts (press working of sheet metals)
机械零件半径（钣金冲压加工）
1977-01-01
VDI 2910-DRAFT
Draft Document - Taking up of sheet metal parts in large stamping dies
草案文件-大型冲压模具中钣金零件的取用
1999-03-01