Document Type and Number:
Japanese Patent JPH02150155
Kind Code:
U
Application Number:
JP6072289U
Publication Date:
December 25, 1990
Filing Date:
May 25, 1989
Export Citation:
International Classes:
B24D5/00; (IPC1-7): B24D5/00
Domestic Patent References:
| JPS62277252A | 1987-12-02 |