Document Type and Number:
Japanese Patent JPH0129678
Kind Code:
B2
Inventors:
FUKUYAMA SEIJI
YOKOGAWA KYOSHI
ARAKI MICHIRO
YOKOGAWA KYOSHI
ARAKI MICHIRO
Application Number:
JP1638784A
Publication Date:
June 13, 1989
Filing Date:
January 30, 1984
Export Citation:
Assignee:
KOGYO GIJUTSUIN
International Classes:
B26F3/02; B21D31/00; B21D31/02
Next Patent: JPH0129679