Document Type and Number:
Japanese Patent JPH0450962
Kind Code:
Y2
Application Number:
JP8891787U
Publication Date:
December 01, 1992
Filing Date:
June 09, 1987
Export Citation:
Assignee:
SUMITOMO METAL IND (JP)
International Classes:
B21B19/04; B21B23/00; (IPC1-7): B21B23/00; B21B19/04
Next Patent: JPH0450963