Document Type and Number:
Japanese Patent JPS6424783
Kind Code:
U
Application Number:
JP11856887U
Publication Date:
February 10, 1989
Filing Date:
July 31, 1987
Export Citation:
International Classes:
F16K31/06; (IPC1-7): F16K31/06
Domestic Patent References:
| JPS5554775U | 1980-04-14 |