Document Type and Number:
Japanese Patent JPH0341178
Kind Code:
U
Application Number:
JP9976489U
Publication Date:
April 19, 1991
Filing Date:
August 26, 1989
Export Citation:
International Classes:
F04B1/20; F04B11/00; (IPC1-7): F04B1/20; F04B11/00
Domestic Patent References:
| JPS4819121A |
Next Patent: JPH0341179