Title:
【考案の名称】らせん揚水機
Document Type and Number:
Japanese Patent JPS58173783
Kind Code:
U
Inventors:
Toshio Matsuzawa
Application Number:
JP6953682U
Publication Date:
November 19, 1983
Filing Date:
May 14, 1982
Export Citation:
International Classes:
F04B19/12; (IPC1-7): F04B19/12