Title:
【考案の名称】らせん揚水機
Document Type and Number:
Japanese Patent JPS5985386
Kind Code:
U
Inventors:
Nakamura Mitsuo
Application Number:
JP18147182U
Publication Date:
June 09, 1984
Filing Date:
November 30, 1982
Export Citation:
International Classes:
F04B19/12; (IPC1-7): F04B19/12