Document Type and Number:
Japanese Patent JPH01164058
Kind Code:
U
Application Number:
JP5901188U
Publication Date:
November 15, 1989
Filing Date:
April 30, 1988
Export Citation:
International Classes:
B24B31/02; (IPC1-7): B24B31/02
Foreign References:
US2843979A | 1958-07-22 |
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