Document Type and Number:
Japanese Patent JPH01173391
Kind Code:
U
Application Number:
JP6501888U
Publication Date:
December 08, 1989
Filing Date:
May 17, 1988
Export Citation:
International Classes:
F04B39/00; F04B25/02; F27B17/00; (IPC1-7): F04B25/02; F04B39/00; F27B17/00