Document Type and Number:
Japanese Patent JPS5567158
Kind Code:
U
Application Number:
JP14840078U
Publication Date:
May 09, 1980
Filing Date:
October 27, 1978
Export Citation:
International Classes:
C21B7/24; G03B15/05; G03B17/56; (IPC1-7): C21B7/24; G03B15/05