Document Type and Number:
Japanese Patent JPS4898508
Kind Code:
U
Application Number:
JP2433672U
Publication Date:
November 21, 1973
Filing Date:
February 28, 1972
Export Citation:
International Classes:
B22C15/10; C21B7/18; F27B1/20; (IPC1-7): B22C15/10; C21B7/18; F27B1/20