Document Type and Number:
Japanese Patent JPS4931051
Kind Code:
Y1
Application Number:
JP12605370U
Publication Date:
August 22, 1974
Filing Date:
December 16, 1970
Export Citation:
International Classes:
F22B37/24; F22B21/26; F22B37/20; (IPC1-7): F22B37/20; F22B21/26