Document Type and Number:
Japanese Patent JPS56152125
Kind Code:
U
Application Number:
JP4926580U
Publication Date:
November 14, 1981
Filing Date:
April 14, 1980
Export Citation:
International Classes:
B21D43/04; B21D43/13; B21D43/24; B21D45/02; B21D45/04; B30B15/30; B30B15/32; (IPC1-7): B21D43/24; B21D43/13; B21D45/02; B30B15/30; B30B15/32