Document Type and Number:
Japanese Patent JPH022497
Kind Code:
Y2
Application Number:
JP1741186U
Publication Date:
January 22, 1990
Filing Date:
February 07, 1986
Export Citation:
International Classes:
B21D39/00; B21F15/00; B23P19/00; B23Q3/06; (IPC1-7): B21D39/00; B21F15/00; B23P19/00; B23Q3/06