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Document Type and Number:
Japanese Patent JPS5550084
Kind Code:
B2
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Application Number:
JP6387176A
Publication Date:
December 16, 1980
Filing Date:
May 31, 1976
Export Citation:
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International Classes:
C22B7/04; C04B5/00; C21C5/28; F27D15/00; F27D15/02



 
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