Document Type and Number:
Japanese Patent JPH047898
Kind Code:
Y2
Application Number:
JP1142586U
Publication Date:
February 28, 1992
Filing Date:
January 29, 1986
Export Citation:
International Classes:
B24B29/00; A46B7/10; B21B28/04; B24D13/10; (IPC1-7): B24D13/10; B21B28/04