Document Type and Number:
Japanese Patent JPS5289433
Kind Code:
U
Application Number:
JP17844075U
Publication Date:
July 04, 1977
Filing Date:
December 26, 1975
Export Citation:
International Classes:
B21D28/32; B21D28/34; B21D37/12; B30B15/02; (IPC1-7): B21D37/12; B30B15/02