Title:
【考案の名称】水封式ポンプ
Document Type and Number:
Japanese Patent JPS5875991
Kind Code:
U
Inventors:
Etsuo Watanabe
Application Number:
JP17042781U
Publication Date:
May 23, 1983
Filing Date:
November 16, 1981
Export Citation:
International Classes:
F04C19/00; (IPC1-7): F04C19/00