Document Type and Number:
Japanese Patent JPH03243
Kind Code:
Y2
Application Number:
JP743186U
Publication Date:
January 08, 1991
Filing Date:
January 21, 1986
Export Citation:
International Classes:
B21C25/02; B21C35/04; B21C35/06; (IPC1-7): B21C35/04; B21C25/02
Next Patent: JPH03244