Document Type and Number:
Japanese Patent JPH0243033
Kind Code:
B2
Application Number:
JP21312484A
Publication Date:
September 26, 1990
Filing Date:
October 11, 1984
Export Citation:
International Classes:
F04B13/00; F04B9/109; F04B9/117; F04B11/00; F04B15/02
Next Patent: JPH0243034