Document Type and Number:
Japanese Patent JPH0282457
Kind Code:
U
Application Number:
JP16044888U
Publication Date:
June 26, 1990
Filing Date:
December 12, 1988
Export Citation:
International Classes:
B24B31/033; (IPC1-7): B24B31/033
Domestic Patent References:
JPS4947280U | 1974-04-25 | |||
JPS614659A | 1986-01-10 |
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