Document Type and Number:
Japanese Patent JPS5019735
Kind Code:
U
Application Number:
JP7204673U
Publication Date:
March 06, 1975
Filing Date:
June 18, 1973
Export Citation:
International Classes:
D06F57/12; D06F53/00; D06F57/00; D06F57/04; (IPC1-7): D06F53/00; D06F57/00; D06F57/04