Document Type and Number:
Japanese Patent JPS4832065
Kind Code:
Y1
Application Number:
JP13224670U
Publication Date:
October 01, 1973
Filing Date:
December 28, 1970
Export Citation:
International Classes:
H01J7/24; F24F1/00; F28D1/04; F28F7/00; (IPC1-7): F28F7/00; H01J7/24