Document Type and Number:
Japanese Patent JPS4944775
Kind Code:
Y1
Application Number:
JP3516670U
Publication Date:
December 07, 1974
Filing Date:
April 10, 1970
Export Citation:
International Classes:
D06F29/00; D06F37/12; D06F49/02; (IPC1-7): D06F49/02; D06F37/12