Document Type and Number:
Japanese Patent JPH025547
Kind Code:
B2
Inventors:
OONO IETATSU
Application Number:
JP5962777A
Publication Date:
February 02, 1990
Filing Date:
May 23, 1977
Export Citation:
Assignee:
OONO IETATSU
International Classes:
B24B31/10; B24B31/02
Next Patent: JPH025548