Document Type and Number:
Japanese Patent JPS5254016
Kind Code:
U
Application Number:
JP14165775U
Publication Date:
April 18, 1977
Filing Date:
October 16, 1975
Export Citation:
International Classes:
F16L39/04; B41F23/04; F16J15/34; F16L27/08; F16L37/00; (IPC1-7): F16L27/08; F16J15/34
Foreign References:
| US2700558A | 1955-01-25 |