Document Type and Number:
Japanese Patent JPS5221427
Kind Code:
U
Application Number:
JP10721475U
Publication Date:
February 15, 1977
Filing Date:
August 04, 1975
Export Citation:
International Classes:
F16K17/04; (IPC1-7): F16K17/04
Domestic Patent References:
| JPS436605Y1 | 1968-03-25 |