Document Type and Number:
Japanese Patent JPS4970289
Kind Code:
U
Application Number:
JP11417672U
Publication Date:
June 19, 1974
Filing Date:
October 03, 1972
Export Citation:
International Classes:
D06F71/00; D06F71/12; (IPC1-7): D06F71/12
Foreign References:
| US3490159A | 1970-01-20 |