Document Type and Number:
Japanese Patent JPS6272716
Kind Code:
U
Application Number:
JP16280785U
Publication Date:
May 09, 1987
Filing Date:
October 25, 1985
Export Citation:
International Classes:
B21B39/08; B21C47/00; B21C47/06; (IPC1-7): B21C47/00; B21B39/08; B21C47/06