Title:
【発明の名称】地中埋設物の対地電位測定方法および装置
Document Type and Number:
Japanese Patent JP2846017
Kind Code:
B2
Inventors:
KINOSHITA AKIRA
Application Number:
JP34249089A
Publication Date:
January 13, 1999
Filing Date:
December 29, 1989
Export Citation:
Assignee:
OOSAKA GASU KK
International Classes:
G01N17/02; G01N27/26; (IPC1-7): G01N27/26; G01N17/02
Domestic Patent References:
| JP62159039A |
Attorney, Agent or Firm:
Nishikyo Keiichiro