Document Type and Number:
Japanese Patent JPS558749
Kind Code:
B2
Application Number:
JP8379175A
Publication Date:
March 05, 1980
Filing Date:
July 07, 1975
Export Citation:
International Classes:
C21D1/52; C21D1/34; F27B5/00; F27B5/08; F27B5/14; F27B9/06; F27B9/36
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