Document Type and Number:
Japanese Patent JPS5716225
Kind Code:
U
Application Number:
JP9130080U
Publication Date:
January 27, 1982
Filing Date:
June 28, 1980
Export Citation:
International Classes:
B21D13/04; B21D13/00; B21D17/00; B21D17/04; C14B11/00; (IPC1-7): B21D17/00; B21D13/00; C14B11/00