Document Type and Number:
Japanese Patent JPH0239618
Kind Code:
Y2
Application Number:
JP11596188U
Publication Date:
October 24, 1990
Filing Date:
September 05, 1988
Export Citation:
International Classes:
B21D15/04; B21D17/02; B21D31/00; B28B23/12; (IPC1-7): B21D17/02; B21D31/00; B28B23/12
Next Patent: JPH0239619