Document Type and Number:
Japanese Patent JPH0474710
Kind Code:
B2
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Application Number:
JP6583589A
Publication Date:
November 26, 1992
Filing Date:
March 17, 1989
Export Citation:
International Classes:
G03G15/02; A46B7/10; A46B15/00; G03G21/00; G03G21/10
Next Patent: METHOD FOR SEPARATING AND PURIFYING RARE EARTH METAL