Document Type and Number:
Japanese Patent JPS5251495
Kind Code:
U
Application Number:
JP13553375U
Publication Date:
April 13, 1977
Filing Date:
October 02, 1975
Export Citation:
International Classes:
D06F71/34; D06F71/00; D06F73/00; D06F81/08; (IPC1-7): D06F71/00; D06F81/08