Document Type and Number:
Japanese Patent JPS5523226
Kind Code:
U
Application Number:
JP10277278U
Publication Date:
February 14, 1980
Filing Date:
July 25, 1978
Export Citation:
International Classes:
C21D1/00; B21J17/00; F27B3/06; (IPC1-7): B21J17/00; F27B3/06