Document Type and Number:
Japanese Patent JPS5267775
Kind Code:
U
Application Number:
JP15486775U
Publication Date:
May 19, 1977
Filing Date:
November 13, 1975
Export Citation:
International Classes:
F16L37/24; A47L9/24; F16L27/00; F16L37/00; (IPC1-7): A47L9/24; F16L27/00
Domestic Patent References:
| JP37018675A | ||||
| JP49073828B | ||||
| JP42008985A | ||||
| JPS3533349Y1 |