Document Type and Number:
Japanese Patent JPS4898505
Kind Code:
U
Application Number:
JP2306772U
Publication Date:
November 21, 1973
Filing Date:
February 26, 1972
Export Citation:
International Classes:
C21D1/00; F27B9/30; F27D25/00; (IPC1-7): C21D1/00; F27B9/30; F27D23/02