Title:
【考案の名称】水位発信装置
Document Type and Number:
Japanese Patent JP2523478
Kind Code:
Y2
Inventors:
Yukio Shimo
Yukio Togo
Yukio Togo
Application Number:
JP11860990U
Publication Date:
January 22, 1997
Filing Date:
November 13, 1990
Export Citation:
Assignee:
Sumiden Opcom Co., Ltd.
Nippon Telegraph and Telephone Corporation
Nippon Telegraph and Telephone Corporation
International Classes:
G01F23/18; G01L13/00; (IPC1-7): G01F23/18; G01L13/00
Domestic Patent References:
| JP5061407U | ||||
| JP57110424U | ||||
| JP63165527U |
Attorney, Agent or Firm:
Kazutoyo Watanabe