Document Type and Number:
Japanese Patent JPH0371850
Kind Code:
U
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Application Number:
JP13295689U
Publication Date:
July 19, 1991
Filing Date:
November 14, 1989
Export Citation:
International Classes:
B24B31/00; B24B31/10; (IPC1-7): B24B31/00
Domestic Patent References:
JPS563175A | 1981-01-13 | |||
JPS5757179A | 1982-04-06 | |||
JPS6232595U | 1987-02-26 |
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