Document Type and Number:
Japanese Patent JPS5249122
Kind Code:
Y2
Application Number:
JP330472U
Publication Date:
November 09, 1977
Filing Date:
December 24, 1971
Export Citation:
International Classes:
E03B5/00; F04B23/00; F04B23/02; F04B49/00; (IPC1-7): F04B49/00; E03B5/00; F04B23/00; F04B23/02