Document Type and Number:
Japanese Patent JPS56122025
Kind Code:
U
Application Number:
JP2055080U
Publication Date:
September 17, 1981
Filing Date:
February 19, 1980
Export Citation:
International Classes:
H04B10/00; F24F1/22; F24F1/32; F24F5/00; F24F11/02; (IPC1-7): F24F1/00; F24F11/02; H04B9/00