Document Type and Number:
Japanese Patent JPS5512186
Kind Code:
U
Application Number:
JP9549778U
Publication Date:
January 25, 1980
Filing Date:
July 10, 1978
Export Citation:
International Classes:
F16L47/00; F16L13/14; F16L17/00; F16L31/00; (IPC1-7): F16L13/14; F16L31/00
Domestic Patent References:
| JPS3014875Y1 | ||||
| JPS448679Y1 | 1969-04-08 |