Document Type and Number:
Japanese Patent JPS5441028
Kind Code:
Y2
Application Number:
JP1983975U
Publication Date:
December 01, 1979
Filing Date:
February 12, 1975
Export Citation:
International Classes:
F16L11/04; D06F39/08; F16L11/11; (IPC1-7): D06F39/08; F16L11/04