Document Type and Number:
Japanese Patent JPS6317618
Kind Code:
Y2
Application Number:
JP11373782U
Publication Date:
May 18, 1988
Filing Date:
July 27, 1982
Export Citation:
International Classes:
B23D35/00; B21F11/00; B21K27/06; (IPC1-7): B23D35/00; B21F11/00