Document Type and Number:
Japanese Patent JPS639576
Kind Code:
Y2
Application Number:
JP19723283U
Publication Date:
March 22, 1988
Filing Date:
December 23, 1983
Export Citation:
International Classes:
C21D1/00; C21D9/56; C21D9/673; F27B5/10; F27D5/00; (IPC1-7): C21D9/56; C21D9/673
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