Document Type and Number:
Japanese Patent JPS5181412
Kind Code:
U
Application Number:
JP227074U
Publication Date:
June 29, 1976
Filing Date:
December 23, 1974
Export Citation:
International Classes:
G05D16/00; F16K11/00; F17C7/00; F17C13/04; (IPC1-7): G05D16/00; F17C7/00
Domestic Patent References:
| JPS332458Y1 |
Foreign References:
| US3456262A | 1969-07-15 |