Document Type and Number:
Japanese Patent JPS571751
Kind Code:
B2
Application Number:
JP2395279A
Publication Date:
January 12, 1982
Filing Date:
February 28, 1979
Export Citation:
International Classes:
C21C5/52; F27D13/00; F27D17/00
Next Patent: 鋳物砂の圧縮強度測定装置