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Document Type and Number:
Japanese Patent JPH0371489
Kind Code:
B2
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Inventors:
SHIBATA TAKAAKI
SAKAI IKUO
KAMIKAWA MITSURU
Application Number:
JP24589084A
Publication Date:
November 13, 1991
Filing Date:
November 22, 1984
Export Citation:
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Assignee:
MITSUI MINING & SMELTING CO
International Classes:
C22B5/10; C21D11/00; C22B1/214; C22B5/02; C22B13/02; C22B15/00; C22B19/36



 
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