Title:
【発明の名称】冷却塔の水質改善装置を用いた水道使用料低減方法
Document Type and Number:
Japanese Patent JP3122652
Kind Code:
B2
Inventors:
Mitsumasa Sugimoto
Yoshitake Matsuda
Yoshitake Matsuda
Application Number:
JP9734899A
Publication Date:
January 09, 2001
Filing Date:
April 05, 1999
Export Citation:
Assignee:
Mitsumasa Sugimoto
Yoshitake Matsuda
Yoshitake Matsuda
International Classes:
F28F19/01; F28F25/00; (IPC1-7): F28F25/00; F28F19/01
Domestic Patent References:
| JP7151491A | ||||
| JP3114598A | ||||
| JP295493A | ||||
| JP245380U |
Attorney, Agent or Firm:
Akira Wada