Document Type and Number:
Japanese Patent JPS5138056
Kind Code:
Y2
Application Number:
JP258971U
Publication Date:
September 17, 1976
Filing Date:
January 23, 1971
Export Citation:
International Classes:
F16L29/00; F16L37/00; F16L37/10; F16L37/28; (IPC1-7): F16L37/10; F16L37/28