Document Type and Number:
Japanese Patent JPH0163786
Kind Code:
U
Application Number:
JP15928587U
Publication Date:
April 24, 1989
Filing Date:
October 20, 1987
Export Citation:
International Classes:
F04B35/04; F04B45/04; F04B45/047; (IPC1-7): F04B45/04; F04B35/04
Next Patent: JPH0163787