Document Type and Number:
Japanese Patent JPS56167792
Kind Code:
U
Application Number:
JP6708080U
Publication Date:
December 11, 1981
Filing Date:
May 16, 1980
Export Citation:
International Classes:
F04B47/00; F03G7/04; F03G7/05; (IPC1-7): F04B47/00; F03G7/04