Document Type and Number:
Japanese Patent JPS5425708
Kind Code:
U
Application Number:
JP9864177U
Publication Date:
February 20, 1979
Filing Date:
July 22, 1977
Export Citation:
International Classes:
F16L1/024; E02D5/00; F16L1/00; F16L57/00; G09F7/16; G09F19/22; (IPC1-7): F16L1/00; E02D5/00; G09F7/16