Document Type and Number:
Japanese Patent JPS623595
Kind Code:
Y2
Application Number:
JP12566881U
Publication Date:
January 27, 1987
Filing Date:
August 24, 1981
Export Citation:
International Classes:
F16L39/00; F01P11/04; F16L37/00; (IPC1-7): F16L39/00; F01P11/04