Document Type and Number:
Japanese Patent JPS5024715
Kind Code:
B1
Application Number:
JP9596569A
Publication Date:
August 18, 1975
Filing Date:
November 29, 1969
Export Citation:
International Classes:
B21D37/00; B21D13/02; B21D37/02; B30B15/02; (IPC1-7): B21D13/02; B21D37/02; B30B15/02