Document Type and Number:
Japanese Patent JPS5149541
Kind Code:
Y2
Application Number:
JP9874271U
Publication Date:
November 30, 1976
Filing Date:
October 25, 1971
Export Citation:
International Classes:
F16L23/16; F16L23/02; F16L23/04; H01F27/02; H01F27/12; H01F27/33; H01H33/53; H01H33/56; (IPC1-7): H01F27/02; F16L23/02