Document Type and Number:
Japanese Patent JPS6235528
Kind Code:
Y2
Application Number:
JP576282U
Publication Date:
September 10, 1987
Filing Date:
January 21, 1982
Export Citation:
International Classes:
B21D51/12; B21D17/02; B21D19/08; B21D22/26; B21D45/02; B21D45/04; (IPC1-7): B21D17/02; B21D19/08; B21D22/26; B21D45/02