Document Type and Number:
Japanese Patent JPS55124442
Kind Code:
U
Application Number:
JP2249579U
Publication Date:
September 03, 1980
Filing Date:
February 22, 1979
Export Citation:
International Classes:
C21B3/08; C21B3/06; F28C3/02; (IPC1-7): C21B3/06; F28C3/02