Document Type and Number:
Japanese Patent JPS491409
Kind Code:
A
More Like This:
Application Number:
JP4087372A
Publication Date:
January 08, 1974
Filing Date:
April 25, 1972
Export Citation:
International Classes:
B22F3/14; B21J13/02; C04B35/581; C04B35/80
Next Patent: JPH0491410