Document Type and Number:
Japanese Patent JPS4843001
Kind Code:
U
Application Number:
JP8869271U
Publication Date:
June 02, 1973
Filing Date:
September 30, 1971
Export Citation:
International Classes:
F22B21/06; F22B21/04; F22B37/36; (IPC1-7): F22B21/04; F22B37/36