Document Type and Number:
Japanese Patent JPS5532935
Kind Code:
Y2
Application Number:
JP16887377U
Publication Date:
August 05, 1980
Filing Date:
December 15, 1977
Export Citation:
International Classes:
F16L11/08; E02F7/10; F16L21/00; (IPC1-7): E02F7/10; F16L11/08