Document Type and Number:
Japanese Patent JPS6432977
Kind Code:
U
Application Number:
JP12755387U
Publication Date:
March 01, 1989
Filing Date:
August 21, 1987
Export Citation:
International Classes:
F16K31/06; (IPC1-7): F16K31/06
Domestic Patent References:
| JP57200781B | ||||
| JP57199680B |