Document Type and Number:
Japanese Patent JPH0189813
Kind Code:
U
Application Number:
JP18454587U
Publication Date:
June 13, 1989
Filing Date:
December 03, 1987
Export Citation:
International Classes:
B21D22/02; B21D31/00; B25H3/02; (IPC1-7): B21D22/02; B21D31/00; B25H3/02
Next Patent: JPH0189814