Document Type and Number:
Japanese Patent JPS57105160
Kind Code:
U
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Application Number:
JP18064280U
Publication Date:
June 29, 1982
Filing Date:
December 16, 1980
Export Citation:
International Classes:
B24D7/00; B24D7/18; (IPC1-7): B24D7/18
Domestic Patent References:
JPS521090B1 | 1977-01-12 |
Foreign References:
GB1273534A | 1972-05-10 |