Document Type and Number:
Japanese Patent JPS5674056
Kind Code:
U
Application Number:
JP15794479U
Publication Date:
June 17, 1981
Filing Date:
November 14, 1979
Export Citation:
International Classes:
C21D9/56; C21D1/26; C21D9/667; F27B9/16; (IPC1-7): C21D1/26; C21D9/667; F27B9/16