Document Type and Number:
Japanese Patent JPS5335276
Kind Code:
Y2
Application Number:
JP4449573U
Publication Date:
August 29, 1978
Filing Date:
April 13, 1973
Export Citation:
International Classes:
F16L3/14; E04B9/18; F16L3/00; H02G3/30; (IPC1-7): H02G3/26; F16L3/00