Document Type and Number:
Japanese Patent JPH0337292
Kind Code:
U
Application Number:
JP9802289U
Publication Date:
April 11, 1991
Filing Date:
August 23, 1989
Export Citation:
International Classes:
F04B45/00; F04B45/04; (IPC1-7): F04B45/00; F04B45/04
Next Patent: JPH0337293