Document Type and Number:
Japanese Patent JPS5697686
Kind Code:
U
Application Number:
JP18009979U
Publication Date:
August 03, 1981
Filing Date:
December 25, 1979
Export Citation:
International Classes:
F16L33/02; (IPC1-7): F16L33/02
Domestic Patent References:
| JPS514339U | 1976-01-13 |