Document Type and Number:
Japanese Patent JPS5427846
Kind Code:
B2
Application Number:
JP358175A
Publication Date:
September 12, 1979
Filing Date:
December 28, 1974
Export Citation:
International Classes:
C21B7/04; C04B35/06; C04B35/66; C21B7/06; (IPC1-7): C04B35/66