Document Type and Number:
Japanese Patent JPS55181087
Kind Code:
U
Application Number:
JP8096879U
Publication Date:
December 26, 1980
Filing Date:
June 15, 1979
Export Citation:
International Classes:
F16L29/00; (IPC1-7): F16L29/00
Domestic Patent References:
| JP51054822B | ||||
| JPS4930918B1 |