Document Type and Number:
Japanese Patent JPH0244066
Kind Code:
Y2
Application Number:
JP7840087U
Publication Date:
November 22, 1990
Filing Date:
May 25, 1987
Export Citation:
International Classes:
F04B9/12; F04B25/04; F04B35/02; F15B3/00; (IPC1-7): F04B35/02; F04B25/04