Document Type and Number:
Japanese Patent JPS53111426
Kind Code:
U
Application Number:
JP1707977U
Publication Date:
September 06, 1978
Filing Date:
February 15, 1977
Export Citation:
International Classes:
F16L29/00; F16L45/00; F16L55/10; (IPC1-7): F16L55/10; F16L45/00
Domestic Patent References:
| JPS3117674Y1 | ||||
| JPS4511887Y1 | 1970-05-26 |
Foreign References:
| GB876416A | 1961-08-30 |