Document Type and Number:
Japanese Patent JPS53122491
Kind Code:
U
Application Number:
JP1655777U
Publication Date:
September 29, 1978
Filing Date:
February 16, 1977
Export Citation:
International Classes:
D06F71/20; D06F71/18; (IPC1-7): D06F71/18
Foreign References:
| US2403655A | 1946-07-09 |