Document Type and Number:
Japanese Patent JPS5730548
Kind Code:
Y2
Application Number:
JP6554577U
Publication Date:
July 05, 1982
Filing Date:
May 20, 1977
Export Citation:
International Classes:
F16L17/00; F16L19/00; F16L35/00; (IPC1-7): F16L35/00; F16L19/00