Title:
【考案の名称】ダム・湖等の曝気装置
Document Type and Number:
Japanese Patent JPS5823698
Kind Code:
U
Inventors:
Tetsuro Narumi
Akira Nishino
Akira Nishino
Application Number:
JP11904581U
Publication Date:
February 15, 1983
Filing Date:
August 10, 1981
Export Citation:
International Classes:
C02F3/20; C02F3/22; C02F7/00; (IPC1-7): C02F3/20; C02F3/22; C02F7/00